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“I got in." Tristan's hands trembled. The email had only come in that day, so he hadn't been able to tell much of anyone at that point. Just about the only person he could find at school that he knew would appreciate news like that was his friend Colin, who he'd brought to a secluded corner of the cafeteria. He still couldn't believe what his eyes told him.

“For real?" Colin's face lit up. “That's huge, congrats! I'm sure you were a shoo-in."

In spite of the collie's support, Tristan couldn't stop his fingers from fidgeting. The sight of a stag as big as him being so nervous must've been odd given how he appeared like he could wrestle any of his problems into submission. “There was a period of time when I really thought I wasn't gonna make it." A bicep bigger than his head twitched, which very nearly caused the sleeve of his turtleneck to split open.

Colin's head cocked to the side. “Seriously? You've aced every single class you took. I don't know why you doubted yourself."

“The spectre of my parents still looms large over me." The importance of school had been drilled into Tristan from an early age, to the point where the mindset lingered even though he moved out on his own ages ago. Analyzing his acceptance further showed there was more to be surprised about, however. “Even then, I'm still a little confused how I got in considering how much they value extra-curricular stuff, and I haven't done anywhere near as much as some of the other applicants."

“Ah, that's only to weed out people at the same level as each other. If there's someone already leaps and bounds ahead of everyone else, you'd be dumb not to take them. You can trust me on that."

That got Tristan to quirk an eyebrow. “What did you do besides schoolwork?"

“Nothing." Colin's laugh boomed through their part of the cafeteria, coaxing a few people to stare at the pair of them. “And I still got in!"

Tristan narrowed his eyes at the equally-built dog. “That's because Tim likes you."

Colin threw up his hands. “I'm easy to get along with. Plus, I knew when to take things seriously when some of the other students didn't."

“Easy to get along with, and also easy on the eyes." Tristan's impish expression turned the canine's face bright red.

“I mean…" Colin chuckled. “I'd like to think of Tim as being better than that. It'd be kinda weird if that was the only reason, you know."

“Well, there's a real easy way to see if that hypothesis holds true." The smirk across Tristan's face grew wider the more he let his thoughts wander.

Colin's gaze focused on him. “And that is?"

Giddiness let Tristan's teeth show through his curled lips, those tusks of his looking rather mischievous as a result. “Rip your shirt off in front of him and flex everything you've got."

Instantly Colin's back stood straight up, his jaw agape in confusion. “That's… not really my kinda thing." His face twisted in bewilderment. “That's what someone like Andy would do. Why do you want me to do that?"

“You're here. He's not." Tristan shrugged, a grin adorning his face. “You can do it privately for me if you wanna."

“Seems to be a thing for you, huh?" Colin crossed his arms across his barrel chest, a knowing look reflected back.

It was Tristan's turn to be caught off guard. “What do you mean?"

“I've been told how you hung around frat houses in your early undergrad years."

The memories came rushing back to him. “Oh, right. What can I say, I've got a type." His cheeks went rosy as he recalled those nights, many where he was surrounded by burly men as he both fucked and got fucked, some parties ending up with him covered head to toe in someone else's juices. Those were good times he had, but it was only then when he realized he was viewing those images through glasses as tinted as his blush was.

He remembered the attitudes he met back then, and how even while younger some guys rubbed him the wrong way. Those parts must have been forgotten the more time had since passed. “In fairness, I definitely now prefer guys who are at least a little bit more refined." He bent himself closer to the beefy collie, the look in his eyes incredulous. “Have you seen how sloppy the bros are these days? They think they have a shot with me just because their arms hit twenty inches. I may like beef as much as the next guy does, but that don't impress me much."

“Could just be that you notice it more as you get older. I never understood how much I missed in people back when I was in undergrad."

“Well, a number of them have taken to calling me 'slut buck' because of, I assume, my reputation from back in the day, which I don't find particularly endearing if you can believe it."

“Ouch, I don't think I've ever met anyone with that much negative charisma before." The look on Colin's mug explained how much he grasped the issue. “But that's also the reason why Tim has us taking care of the first years. Too many guys come straight out of high school thinking they're king shit just because they have a little bit of size and think they can just hit on their profs to waltz their way through school, and none of us are putting up with that."

“No kidding?"

“Buddy, the stories we could tell you…" Between Colin's laugh and the way he palmed his face, it was evident he knew what he was talking about. “They've got balls, I'll give them that. But you think I'm gonna sleep with you just because I can see your chest under your shirt collar? Get higher than a 57 and I'll think about giving you the time of day."

“Yes, thank you, that's exactly what I'm getting at." Tristan's exasperated sigh masked the sound of his hands falling to the table, the thud louder than expected. “I'm tired of 'boys.' I want frat men in my life, not someone threatening to flunk out of intro biology."

“You could have plenty if they're willing to drop their ego. Not even Darren wants to head back to his old stomping grounds."

“That's gotta leave a bruise," Tristan scoffed.

“I wouldn't know, but I'm not too pressed to find out." Just then a look of inspiration hit Colin, the corners of his mouth twisting. “Well, if you're interested in a bit of a rowdier, if classy, time, how about we hit the town tonight? In recognition of you getting into a grad program, I'll treat you to the finest PBR money can buy."

Tristan could only laugh at the ridiculous proposal. “Mr. McInnis, you're trying to seduce me!"

“Is it working?"

“But, wait," Tristan raised his hands to interject, “you just said that wasn't your thing." While that was accurate, the dog's winning smile certainly helped sell the offer to him.

“Well, maybe I can stretch my legs a bit, have some fun." Colin leaned over, allowing for the perfect opportunity to gaze at a chest most men could only dream of. “It's only one night. Who cares?"

Now Tristan was intrigued. It was abundantly obvious to him that the collie had no idea of what these kinds of people were really like behind closed doors, so he knew he'd be seeing what a 'bro' looked like through the lens of a biochem major. Just the thought of what kind of experience that would entail had him wanting to go ahead with it. “What exactly did you have in mind?"

“Beer and burgers?"

A classic. “Sounds good. It's a date!"

***

“Okay, what you're wearing completely contradicts the conversation we had earlier."

Tristan merely looked at Colin. “What? I never said I liked dressing like that!" True to his word, he was clad in business casual attire – clothing he was comfortable being out in public with while still providing his body enough stretch to accommodate his burly heft. The canine was just as smartly dressed, which put a wry smirk on his face. “The guy I'm with is supposed to be decked out in a tank top and gym shorts since they're a bro, so if anyone is to look the part, it's you."

“I wouldn't be caught dead in that," Colin scoffed, shaking his head. “I know you probably don't think so, but I at least have some sense of taste."

Oh, that thought had crossed his mind plenty. “It's better than a lot of people's tastes. I'll give you that."

“Well, I'm here. It's not like I can go back home and change without missing a good portion of the evening."

"Hang on, I think I can still figure something out." Tristan's brain worked in overtime as he examined every aspect of the dog's outfit, his fashion-focused mind breaking everything down to its basest components to see if there actually was something to work with. The jeans worn were versatile in a number of different getups, so he wasn't too concerned with those, but that blue polo made things difficult. It was far too formal for a frat house denizen to wear on a night that didn't specifically call for one, and he struggled to think of a way to make it work without adulterating it in some capacity. It was a good thing then that he noticed the outline of an undershirt worn beneath. “Take your shirt off."

Colin cocked a brow. “Why?"

“Trust me." The collie did as Tristan said, practically peeling that top off as it clung to all that delicious heft, the T-shirt underneath stuck to the fabric and showed off a set of brick-wall abs that would take an average man an extraordinary amount of effort to maintain. How fortuitous was it that they were anything but?

While he wasn't one to complain, Colin's expression did all the talking as he tossed his shirt in the back of his car. “I went to a lot of trouble to find something nice for tonight."

Tristan's perfectionism wouldn't let him stop adjusting his friend's clothes, trying to ensure the material laid along all that fluffy bulk in just the right way. “I know, but this totally works for you."

“How so?"

“Well, now you're less dressed than I am, which is the exact amount of 'dressed' we're looking for." It took him everything not to fondle the collie then and there. “I know I'm gonna need a hot second to get you caught up to speed on what it takes to be a bro, but I'm fine with you taking baby steps."

“Okay, if you think I'm not making enough progress for your liking, then I'll just chug half a dozen beers and belch in your face."

“That might be too far in the other direction, actually." Tristan laughed; clearly the dog wasn't as hopeless as he thought. “Alright, show me how you can loosen up."

The choice of going to a sports bar actually worked in Colin's favour as he got to let out a side of him that wasn't indulged in too often in public. It was over hockey instead of football, but Tristan didn't mind that much as it was exactly the kind of raucous behaviour he was hoping to see from the dog, though there were a few things that he needed clarified if he wanted to keep up with the game.

He noticed the canine certainly ate like a bro, however. So much pub food disappeared down his gullet, fueling those swollen herding muscles. Tristan couldn't help but flick his gaze across the table every so often. At least there was one aspect that Colin embodied without trying.

After what felt like a non-stop barrage of finger food assaulting their table, the two of them finally called it quits after the game ended, with Colin following Tristan out the door once the bill was settled. “I dunno if my stomach's gonna regret this in the future, but my wallet definitely is."

“I mean, you did put away a lot." Tristan slid his own wallet back into his pocket, rummaging past it to make sure he still felt his car keys.

“What can I say? I'm a big boy!"

“Gotta eat big to get big, right?" Tristan let out a guffaw before glancing at the bill still in his hand, grimacing at the total he paid. He couldn't remember the last time he'd eaten more than two entrees at a restaurant, but being a stag the size of a small car meant his body had needs to attend to, and he intended on sustaining the beef he'd acquired. “Biggest tip I've given in a while."

Colin snickered. “That's saying something."

His wandering gaze led Tristan to watch the canine's eyes land on his impressive package, bulging out the basket of his pants, but thankfully not to an obscene degree. There was a reason he wore the pants he did.

“Shame we're done already. The night's still young." Colin turned off the screen on his phone as he slipped it back into his tight jeans pocket.

Hearing that perked up Tristan's ears. “You're still up for stuff? That's good considering you didn't really 'bro out' as much as I thought you would."

“Really? I thought I did a good job." Colin stared at him in surprise. “What, am I supposed to have sex with you out here?"

The breath Tristan just took got caught in his throat, his eyes scanning the dingy lot where a number of dark corners lingered, potentially hiding something he didn't want to get intimate with. He wasn't thrilled with being there longer than was necessary. “You know, I have my limits on that kinda stuff. I'm actually less of an exhibitionist than I let on."

“That's great, because a parking lot has to be one of the last places I wanna fuck someone in."

Alright, they were on the same wavelength when it came to where they preferred to sleep with guys; Tristan was glad he could count on the collie for that. Yet that left a lot he could coach his friend to do, things that were far less objectionable. “Well, if you still wanna try something, you could always show off. That's a common thing they do."

Instantly Colin's eyes snapped in his direction, the corners of his mouth curling to reveal his back teeth. “Show off? You mean like this?" Without warning, he hunkered down beside the car nearest to him, gripping the frame where it was most stable, and then slowly hoisting it in the air, careful to keep its centre of gravity as balanced as possible until he had it suspended above him, hands holding it between each set of wheels.

Now that was more what Tristan was talking about! The way the dog heaved those bloated muscles around did wonders to the outline of that gorgeous body, his eyes tracing all that bulk as it puffed out from the sudden workout. That said, it was something he'd seen many times in the past, to the point where his initial reaction was far less excited than the first time he'd witnessed someone doing it. “Oh, yeah, lifting a car totally works."

“You're not impressed? I'll just go ahead and crush it with my bare hands."

Tristan watched as his friend's hands trembled, immediately gathering that the collie was bluffing. “No, you won't."

The more Colin kept that mass supported, the more his grin widened as the weight became apparent. His lips let loose a breathy taunt. “What, you don't think I can do it?"

“It's not that I don't think you can do it… actually, it's probably way harder than it looks." Tristan tapped his chin as he wondered how feasible the act was. He knew plenty of big guys – both with and without their clothes – but unless they had some kind of chemical assistance, almost none of them could even say they were capable. Plus, a public parking lot wasn't the ideal place to test one's strength in that regard. “It's just, you know, that's my car." It amused him to watch the colour drain from the collie's face.

“Ah, well…" Colin gingerly set the vehicle back on the ground, tires nearly in the same spot as where they were parked, arms wobbling even after releasing his grip. “I, um, couldn't really tell, I mean, because it's so dark and stuff." He leaned on the roof of the car, trying his damndest to make it look casual.

“I figured." There was no denying it – the fire of arousal had ignited within Tristan. This was clearly how he'd get the dog to let loose his inner bro, and it was only a matter of finding a location to do so in. “How about we hit up a place where you're expected to lift things?" He could tell Colin wanted to say something with how the collie's mouth opened, but nothing initially came out.

“Where exactly are you thinking?"

Tristan grinned like a madman, his tongue sneaking through his teeth. “The gym." The way Colin didn't respond told him he wasn't anticipating hearing that as the canine looked like his brain was stuck in a loading loop.

“Alright, friendly or not, I've never thought of that place as a serious 'date' location before."

“I haven't either, but what's the harm in giving it a try?" Tristan shrugged, his leg of his pants tightening as the thought bounced around in his head. He already knew they both had a change of clothes ready to go, so they could just zip over there.

Colin's eyes darted around the area, the look of understanding eventually hitting him. “Well, it wouldn't be the worst thing. We've got a lot of calories to work off."

Tristan sauntered up to the dog, a playful gleam in his eye. “I think it'd be a safer spot for you to free your inhibitions, wouldn't you say? And it gives us a more," he let a finger trace along the canine's prodigious pecs, “private place to let off some steam."

“Well then," Colin returned the favour with a quick chest fondle of his own, “what are we waiting for?"

***

There wasn't a time when Tristan remembered the gym being quite so empty, but with the school year coming to a close, everyone who'd normally be there was likely either partying or finishing up the last of their classes to prepare themselves for whatever their next step was. Not that he was complaining, of course. His grunting could get loud at times.

Colin scanned the area, his expression equally as surprised at the most active part of the building being the change room as people were packing up after a solid set. “Well, we sure picked a good time."

“You're not hearing me grumble." By the time Tristan got to his usual locker, the only people left were him and the dog, which put the biggest smile on his face knowing the pair of them could really live it up now. He took his sweet time getting undressed, pushing out various parts of his body to catch his friend's attention, wanting to be ogled by someone he enjoyed seeing hot under the collar. The image of the collie going to town on him from the last time they met up was still fresh in his mind, and he knew it was only a matter of time before the other stud was comfortable enough to recreate that night, with this time in particular being something special.

“Well, I can see why you were so popular back in the day." Not being shy about where he was looking, Colin didn't bother hiding the stiffy punching its way down his pant leg.

With the dog's focus thrown his way, Tristan didn't stop himself from caressing his ample rear, his hands not reacting to the twitching of his deer tail. “It'll be all yours if you can impress me."

Colin snorted. “You have that much discipline, do you?"

“I'm nothing like what I was in freshman year. You gotta work for all this!" All traces of modesty had been thrown out the window as Tristan lewdly groped his incredible musculature, his hands cupping beef that a man could only ever dream of having. But the lascivious display grinded to a halt when he got a good look at the A-shirt the collie had thrown on. “That's definitely not yours." The orange and black fabric contrasted well against fur of a similar shade, but giant text that read 'Muscle Monster' certainly clashed with his friend's personality.

“Oh, no, this one's actually my favourite." Sarcasm dripped from Colin's words. “All of mine are in the wash. Darren let me borrow one of his." A pained laugh had been forced from his mouth as he leaned against his locker. “I assure you, mine are far more subtle than this."

The canine could say anything he wanted as Tristan's eye for fashion knew the truth. “Looks good on you." He couldn't stop himself from imagining the other stud to live up to the shirt's reputation, possibly testing the limits of the material and needing a new moniker after that night.

“That's not what I wanted to hear," Colin sighed. “But, I guess that's what I signed up for."

A triumphant grin adorned Tristan's face as he reveled in his friend taking this seriously, only to gasp when he felt his body be picked up and braced against the wall, the handsome visage of the collie mischievously staring back at him. “I see you're diving right into it."

“It doesn't come naturally, but I'm giving it my best. I figure this is what they'd do in a place like this."

Without warning, Tristan found his lips locked with the dog's, his tongue being assailed by one skilled in the craft, his self-control melting as his desires were being fulfilled. So much arousal coursed through his veins that he couldn't help but push back into the embrace, his arms wrapping around the beefcake's thick neck as he moaned into the collie's mouth. It was easily the most flaunting behaviour he'd ever seen the other man perform. “And if someone were to catch us?" He asked between shallow breaths.

“I'd be mortified." Colin acted in direct opposition to the concerns he just shared. His hands roamed around hundreds of pounds of musk deer muscle like he'd only just discovered it for the first time, gripping onto the sensitive bits proven to evoke a reaction.

Testosterone slammed through Tristan as his physique was manhandled, the dog being as rough and brazen as he'd hoped for, letting his body be grabbed without hesitation. A hand reached along his raised leg, forcing one of his cheeks to tense when it was clutched as he wanted to show off the incredible magnitude he'd attained. How he wanted the dog to take him then and there! He couldn't believe he'd be ravished so soon, but he didn't want it to stop. On the contrary he bucked into the obscene act with gusto, his breathing picking up steam as his fat ballsack bounced with need, not preventing his cock from being gripped. He was liable to blow if that was kept up, and he felt the canine fondle him from base to tip… only to then wipe pre across his muzzle.

“Alright, get dressed. We've got work to do."

Immediately Tristan spat out the translucent ooze, his mood dampened considerably as he watched the dog innocently amble out the change room door with a gallon jug of protein shake in hand. “You fucking tease!" He wiped his mouth with the back of his hand after sputtering in disbelief, his aching erection now flagging as his body realized he wasn't getting the action promised. Still, the thought of this nerd flipping a switch to act the complete opposite of what he was normally like didn't stop a chuckle from slipping past his lips. Clearly his friend knew more than he let on.

Tristan, now less flustered, made his way to the gym floor, still marveling at the lack of people at that time of night, though it put a wanton grin on his face when it meant he got to share the entire place with only the dog as the staff entrusted their gym patrons to behave at this hour. That suited him just fine as he got to walk in on the dog puffing out his chest in the wall-to-wall mirrors, those boulders stretching the straps of that muscle shirt taut. “Admiring yourself, are we?"

“I'm still trying to get into the mindset." Triangles of air sat underneath those straps as they simultaneously touched both Colin's traps and pecs, which is likely how they looked on their original owner. “You seem to be enjoying the show."

“I know I don't want you to stop." Inspired, Tristan pulled his arms in towards the centre of his body, mimicking the hulk standing next to him by making his own chest flex twice as big. “How do you like mine?" Truth be told, he was a sucker for a guy with a big set, to the point where he got himself to blow just from making his own as big as they would go.

That seemed to draw the exact kind of attention he wanted as they were suddenly groped. “They're good, but you know what would make them look better?"

Tristan was dying to hear the answer. “What?"

“If I stuck my dick between them."

Barely a second passed before Tristan let loose a loud guffaw, unable to keep himself composed in spite of his raging libido. “God, it's so funny hearing you say that."

A deep sigh bellowed from Colin's throat as he threw his hands up in frustration. “Come on, I'm really trying here. Work with me!"

“Wait, that reminds me." Tristan cleared his throat. “What was Sergei's policy regarding sex on the gym floor again?"

“As long as you clean up, he doesn't care. You know, don't gum up the machines and stuff."

“Okay, cool. I just knew it changed at one point and I couldn't remember what he said." It wasn't the first gym Tristan either fucked or got fucked in, and he was itching for a round or two that night.

Colin rubbed the back of his bull neck. “It's why he almost made it a requirement to hold a degree before you could use the facilities. Having to deal with the reason behind that was, uh… not pretty." The experience he had showed when his lips pursed. “Let's not recreate that night."

“We won't." With a toothy smirk, Tristan draped himself over the fluffy dog, not even hiding him caressing the nerd's heavenly heft, or inhaling his scent. “Not when I have a big, strong, responsible, bro with me."

“Oh, you like me big and strong, do you?" That gave Colin an opening to curl his arm around the nose resting against his chest, shoving it between a steely forearm and a massive bicep. “You like this, huh?"

Tristan knew he didn't have to say anything with his expression changing involuntarily. The act got him rock hard in an instant, but a sneaky feel told him that the canine was too. “I really do, but I'd love seeing it in action even more."

“Well, I best get to it then." A quick snap of his head got Colin to spot the perfect station to start at – the chest fly machine. Well, the way his pecs were slobbered over spoke volumes.

A look of surprise hit him when he didn't have to fix the weight limit very much, happily taking his seat and adjusting the handles for the optimal workout, jug beside him brimming with fuel for his gains.

And then he commenced.

To see the dog in action tickled Tristan something fierce. There wasn't even a pause to get acclimated; the collie just went at it, determination plastered all over as those plump pectorals got pumped up from the repetitive motion. He could feel his mouth salivating from only watching the beast, his eye-humping completely ignored as focus was put on the exercise. That worked for him just fine because he was nearly as horny as he would be on rut, though that might change soon enough.

Being as stealthy as he could, he carefully dug his fingers under the band of the shorts the canine wore, immediately discovering there were no other garments underneath, which caused him to spurt a little in his own pair as he didn't realize other guys did that too. But the important thing was that Colin was too distracted to notice anything out of the ordinary. He moved slowly, but surely, cautious to not cause alarm and foil his plans right away. The heat from the dog working out hit him in the face, with the dog's scent filling his nostrils and making him want more, but the more aroused he got, the more impatient he grew. All he needed to do now was pull the band down over that juicy cock, but his thirst got the better of him.

“Hey, what are you doing?!" Colin shrieked as he suddenly found himself compromised.

“That shit you pulled back there got me too horned up." Tristan exposed as much of the collie's junk as he could, cupping those roiling balls that could give coconuts a run for their money. But the real prize was that red rocket bobbing in the cooler air, dribbles of precum spouting from the top that tantalized him into moving closer. “Hey, don't mind me. Pretend I'm not here."

“This can't be a thing they do…" Colin whined, his force across both handles weakening.

Tristan merely lapped at the slimy pre with the widest smile his face could make. “Oh, you'd be surprised." Lust overcoming him, he let his mouth work on its own, taking in the entirety of that head before moving all the way to the base, feeling that monster hog brush the back of his throat. Being able to do that took a ton of skill that any guy would be begging their partner to acquire, and he was showing it off for free. The dog should feel so lucky. “You'll give it a shot for me, won't you?"

Colin whined again in protest, but ultimately went back to his workout, though a little shaky as his pole continued to be slavered over. Collies were known to persevere through tough times, and while this wasn't exactly what people would be referring to, he pushed through it like anyone else would. Which was easier said than done given the hunky buck going to town on his crotch rocket.

Repeatedly Tristan bounced his head along the canine's girthy rod, it throbbing in his mouth as his expert tongue got to work. It spread across as much of that pole as it could, hungrily lapping up all the precum that came dribbling down his throat. He moaned aloud as an itch he'd had that night got scratched. How long had it been since the last time he'd given someone a blowjob on a machine? Or gotten one, for that matter? Too long; it was definitely too long.

His hands weren't content with merely being passengers in the affair, electing to prowl across the dog's meaty thighs, those slabs tensing from even the gentlest touch he gave, the feeling no doubt electric. Every flex pressed those thighs together, nearly getting his fingers trapped in what had to have been one of the deadliest pinch points in the entire building. But he wasn't about to let that stop him. He had a collie bro to get off, and he intended to do exactly that.

Muscles twitched as his digits danced across them. From obliques to glutes, nothing was safe from his frenetic groping. His methods of getting guys to blow were ravenous and thorough, enjoying when he heard his name praised while their cock was lodged in his throat. He recognized the dog would be a bit different as the set on the machine was more the focus, but that didn't stop him from doing what he could to pull attention to him, to get his friend's body raging with testosterone. He knew it was only a matter of time before he made that muscle shirt inaccurate.

The intensity in which Colin clenched his teeth proved how much he was attempting to concentrate on the exercise at hand, but the way his hands spasmed showed how much he was losing that battle. His swollen chest heaved with every breath, shallow, yet laboured, his top gaining stains of sweat from getting blown. A throaty gasp loosed from his mouth as his hands could no longer push, and he laid back against the padding, eyes screwed shut.

Tristan was so lost in his motions that he didn't see the canine give in, no longer fighting to make the moment last. He'd been too captivated by the heady scent plowing his nostrils every time they brushed against those fluffy pubes that he didn't hear the man above him groan in exaggerated pleasure.

His own arousal soared the more he dove into the dog's pelvis. His shorts had been tented the whole time, a lewd stain growing as he leaked pre like a broken fire hydrant that only spread father the more time his nose was spent buried in the collie's fur. He couldn't get enough of those pheromones. Heady, masculine, strong – all words that easily described the monster he was trying to get off. Clearly more work needed to be put into titillating the nerd or he'd be the one getting off first.

It was precisely the moment he wrapped his tongue around the sensitive, pulsing head that he felt the spasms of release, that pipe opening up and blasting him with loads of salty cum, barely able to take a breath before having to guzzle down shots of jizz that envious frat bros would do anything to achieve. All the stress he could've possibly had up to that point had absolutely melted away.

But that wasn't the only thing he was after.

The instant all that spunk hit his gut, it roared to life like a furnace, immediately absorbing the massive haul of protein being pumped into him. The results took a second to make themselves known, but creaking eventually started echoing through the room as his body used all that seed to create more mass. His frame stretched outward to give him a broad, imposing figure, one that would bring the doorways at school to their knees as they'd have to concede defeat to a stag adept at growing. It was something he was gifted in, after all.

Beef piled on at an astonishing rate, the straps of his shirt tightening without him needing to flex, which made the bottom of it act like a curtain with the way it hung from him bloating pectorals. That also wasn't to mention his midriff becoming exposed, abs you could wash clothes from being displayed like in an art gallery, blanketed in a trail of body hair that ended at the base of his crotch. Oh, how it'd been too long since he'd gotten the chance to get bigger.

His shorts didn't fare any better as so much rump filled out the material and strained it more than it was willing to go, meaning it slipped down and flaunted his inflating cheeks. Rippling bulk tore the fibres of his quads apart before repairing them a nanosecond later, packing them densely as they consumed all the space in the legs of his bottoms. There'd been many times he made clothing look painted on, and he knew he looked good each and every time.

The longer it went on, the more he had to crouch over, wanting to have his lips remain sealed around the firing pillar. What would've overwhelmed a lesser man was simply an application in persistence to him. One measly orgasm wasn't going to leave him flat on his ass!

Exhaustion had been written all over Colin as he slumped against the padding, hands slipping from the grips and falling against his sides. His tongue lolled out of his mouth as he attempted to catch his breath. That tank top of his was all but drenched in sweat, clinging to his matted fur and showing off the contours of his incredible musculature. The only thing he was able to do at that point was stand up, which he tried to do.

Until he looked down, that was.

A few long licks were the last thing Tristan gave the dog's bone in an effort to clean it up, a token of his appreciation for blowing him up some. Not just anyone could add several hundred pounds to a frame already looking like it was fit to burst!

He wryly grinned as he stared up at the canine, his handsome mug nearly level with the dog's. “You're trying to tell me you've never done that before?" Were he not used to this kind of strength already, he might've accidentally ripped the other stud's arm clean off simply by helping him up! “So, how was it?"

“Yeah," Colin huffed, “It was pretty good." Support was given to help him regain his bearings.

“Don't tell me you're done already." Tristan watched as his friend gripped onto his meaty chest, not to fondle it, but to brace himself. Surely a beefcake of that calibre had more in him!

Colin didn't say a word, instead shaking his head to whip any sweat off his face, his ears cutely flapping in the process. “Not a chance. We just got started, right? I haven't stopped after one climax before, so why would I start now?" As proof of that claim, he grabbed his gallon jug and chugged the contents, the thick protein shake inside now spilling down his throat as the bottle emptied in seconds. Tristan was smitten.

“Oh, I like that attitude."

“Just trying to give you what you want, and I know how I can prove I'm serious about it." The corners of Colin's mouth curled into a devious grin, one of many he'd given off that night “You want me treating you like one of those hooligans would?" His hands shot out without warning, gripping what happened to be closest to him at that moment. “Then this thing is going inside of me."

The air inside of Tristan's lungs stopped moving. “Wait, what?"

“Well, you know what they say: you gotta work out every part of your body."

Tristan was at a crossroads. On one hand, the collie taking his dick to hilt was one of the hottest fucking things that could've happened right now. On the other hand, there was, uh… a considerable size difference now, with a very real chance for something to go wrong. “Are you sure about this though? I feel like this might actually be a bad idea."

“Oh, are you getting cold feet over this whole thing now? Keep in mind, you're the one who wanted me to take more risks tonight. I intend to do just that." Tristan found his nose being pushed against by Colin. “Besides, I live with a man who regularly comes home twice as big as when he leaves; I know you know that. This is nothing I can't handle."

To hear such a confident claim come from someone who was keener to wear a lab coat than gym clothes nearly got Tristan to blow his load then and there. Some details of what the 'bro essence' was were certainly missing to fully say he was receiving the entire package, but damn if the dog wasn't trying.

“And if I'm gonna take that thing, you're gonna have to lose the shorts."

Tristan didn't need to be told twice. It wasn't like those bottoms of his were all that necessary given how little they did to keep him decent, and they were really only a few dozen pounds away from failing completely. In fact, it felt liberating to free his turgid cock of their cotton prison, the leisurewear too deformed to return to its original size.

Slapping against his sweaty tank top, his phallus had jumped up in magnitude to the point where someone would need both hands to encircle it, gushing out pre at the thought of getting his rocks off. It came paired with a set of pulsing testosterone factories that rivaled beach balls, swaying pendulously past his knees as they engorged themselves on creamy ballbatter. Rut easily came close to how horny he was.

And it would only get worse when he saw the collie strip half-naked, that supple ass pointing in his direction and causing him to nearly blast prematurely. That tricolour pattern extended below the belt in ways that drew the eyes towards it. There wasn't any possible way he could pull his gaze away if he wanted to.

Which he had no choice in the matter when Colin guided his head with a finger. “Glad you got your eyes on the prize, but I need you elsewhere." Truthfully, he wasn't sure what the canine beefcake had in store, but he suspected that it'd be something he'd be totally down for.

“And this is for you." Tristan's eyes followed where the dog had pointed, his gaze landing on a bench parked under a squat machine. A smile grew wide across his muzzle as his brain instantly put the pieces together. He hadn't had anyone ask him to do this one before, yet every part of him was absolutely raring to go.

In the meantime, Colin had gone and adjusted the weight to be lifted, needing significantly more than what was already loaded. Even then a test run proved that he could handle more than that, but nothing else was added. Instead, he took his position above Tristan's pelvis – careful not to misstep and lose his balance – and gently lowered the bar down, the squatting posture forcing his ass to part and accept deer dick best measured in feet.

The copious amount of preseed drooling from Tristan's cock elicited a groan of approval rumbling through his expansive chest. True to the canine's word, inch after fat inch was being swallowed up, the pre providing ample lubrication to make his phallic sword slide into his friend's anal sheath. He had to give the collie credit for not dropping the weights right away; only someone skilled enough at both weightlifting and sex could pull off a feat like that.

A loud moan erupted from his mouth when the dog's rear became flush with his crotch, one that he had no way of holding back. The feeling of being inside the other man's cavity was indescribable – somehow loose enough to welcome in every last inch he could offer, but also tight enough to clamp down on his fleshy obelisk without applying pressure. Through half-lidded eyes he saw the canine twitching all over, hands clenched onto the bar resting on those broad shoulders, while those cheeks spasmed around his cock. He wondered if that would be it already.

And then the collie rose.

Through sheer determination, Colin gradually lifted himself from what was ostensibly a sitting position, his face screwed up from the rod plunged deep inside him. His legs shook as he attempted to right himself. He got about halfway to where the bar was meant to rest before he descended again, his form struggling from the addition of a cylinder of deer prick punching his prostate. It was funny how weightlifting websites never mentioned this part of the exercise.

And yet Tristan seemed to be the one more affected by having his fawnmaker devoured by the dog's hungry tailhole. He couldn't fathom how someone that much smaller than him was taking his log of buck fuckmeat like a champ. The collie's motions were deliberate in power bottoming, and a part of him wished he was the one getting reamed. There'd be time for that yet as he still had to blow.

Again and again the canine slammed down on his pelvis, those rounded glutes stuffed with enough muscle to pad the rhythmic crashing. He barely had to do anything else but lay there in order to drill into the nerd. The pressure in his balls swelled the more he had his shaft massaged by the other stud's innards, liable to blow if he couldn't hold on anymore.

To his credit, he tried his best, it was just that he happened to be milked by someone with experience in the matter, who had no issue taking one good look at him and his thousands of pounds of beef and determining there was no challenge. The fire in his soul raged as his libido skyrocketed. As much as he wanted to edge further, the time was now.

The very second the tip of his length fired off the first shot, the collie pounded his ass down, bar full of weight still miraculously supported. He was in disbelief that someone that small could tame his turbulent arousal, but knowing what he knew about his friend group, it wasn't totally out of the question considering the hunks he hung around with, both in school and out. There was a reason every study session left him several dozen pounds heavier.

His hands sought something to grip onto, ending up clutching the dog's brawny trunk, all that fluffy bulk flexing from the intense flooding he supplied. Obliques with barely a hint of fat gave his fingers something to caress as his body exploded with horniness. He had so much he wanted to give to his friend, and he yearned for the collie to take every last drop.

How much cum had he pumped into his bud? Enough for the other hulk's gut to dome out a tad, doing wonders keeping his output locked inside him. This was the experience he was after; he wanted the strength of those bros filtered through the proficiency of a goddamn man! There wasn't any way those little boytoys could withstand his might, and they'd be beside themselves in lust to discover that someone usually nose-deep in chemistry textbooks was outperforming them all. He knew he picked the right friends.

That sentiment was echoed when he felt a shift in weight below the belt. His heart began to flutter when he realized what it was, not even needing to look. The dog was metabolizing his seed just like he did earlier, using it to fuel impossible gains that any average gym goer could never accomplish, even with a lifetime's supply of chemical assistance. Suddenly the other man's hole didn't feel so tight, but that ass got so much juicier in return.

Whatever cum had bulged out the dog's midsection had completely vanished, adding to the canine's growing mass that he couldn't stop himself from groping. Those abs went from impressive to outright cinder blocks stacked on top of one another, able to withstand the punch of a professional boxer, even if they were his size. That wasn't to mention those tricoloured pecs heaving forward as they accumulated muscle like that was where it was meant to be deposited. A swelling chest held in real time was unlike anything else that a person could experience.

Being a seat for the burgeoning beefcake held many benefits, like enjoying the sensation of hundreds of pounds of bloating ass muscle weighing him down like the world's most perverted party balloon. His dick went from being oversized for the canine, to being just right, to now actually feeling quite underwhelming as his friend continued flourishing into a furry behemoth.

And it didn't stop there.

The bar across his boulder shoulders gradually rose to its rest position, not because of any effort to get it there, but because the dog's height kept growing as that gargantuan frame stretched in every direction. He was audience to a back that made the gym owner look petite, so wide across that his boyfriend, Andy, could easily take a seat on one of those lats and still have room to stretch out. A desire buried deep inside him was finally getting fulfilled – it'd been ages since he'd fucked someone huge.

But all good things unfortunately had to come to an end. His eyes were all but closed as the last trickles of jizz spilled from his cock, quads bigger than car tires putting his legs to sleep. He couldn't remember the last time he felt this spent, but it was well worth the wait.

What felt like an actual tank abruptly lifted itself from his lower half, revealing the trimmed fur he took pride in absolutely matted with sweat. His level of exhaustion felt comparable to running a marathon in the dead of summer, yet he knew better than to kill himself like that. No, this was something he'd never turn down, something that always livened up his day when his body was in the mood, which it rarely ever wasn't.

It took everything he had in him to push himself from his horizontal position. Multiple attempts were needed, but success was inevitable given enough time. A layer of fatigue had to be shaken off, but fully opening his eyes led him to the grinning visage of Colin, who was offering to help him up. “Thought I lost you there for a second."

“I, uh…" Tristan chuckled, his head still a bit woozy, “I clearly needed that." Standing up seemed like an impossible endeavour at the moment. So much energy had been lost busting the fattest nut he'd had that semester that he barely had the momentum to keep himself upright. If it weren't for the dog, he'd be sprawled across the tiled floor waiting to be able to get up.

Colin held him with both hands, snickering. “I always love comparing the 'before' and 'after' looks."

Tristan could tell what was being referred to; he often loved seeing the difference between what a guy looked like before and after outgrowing them, much to their surprise. But if he was impressive, then the collie's transformation was monumental. It was fortuitous that the gym was stocked with equipment so wide as the regulars needed the space if they wanted to work out for an extended period of time, mostly because they were like him and the dog – hulking beefcakes whose bodies did whatever they could to grow.

He was so out of it that it was only then when he realized the dog's tank top had completely disappeared, only to look down and see an explosion of tatters on the ground, drenched in musky sweat and too fiddly to pick up by hand. That revealed a set of prodigious pecs that jutted out feet from the other hunk's colossal chest, ones that would only be seen on the biggest of titans, and covered in a shaggy coat of fluffy collie fur that the breed was known for. His lack of energy became apparent as he didn't stop himself from falling face-first between those sweaty slabs of beef.

That took Colin by surprise. “Oh, are you good?"

The only thing Tristan gave in return was a thumbs-up, one that was weak, but visible. Immediately he was hit by a powerful aroma – the canine's intoxicating scent, one that titillated him into a horny delirium. The spicy stench did the trick of bringing him out of his stupor and into another one, this one kickstarting his arousal and inviting him to have a taste.

His broad tongue lapped at the sweat-coated fur, drinking in the grotesque bulk he'd come to know from the dog. Little by little his spirit returned to him, his lashing growing stronger as he unearthed more of the heady odour. That brought about another round of fondling from his hands as he worked to excite his friend. His efforts were rewarded with those swollen mounds on either side of him gently closing in on his head, punching him in the face with that delicious smell as it imprinted itself onto his brain. Okay, he was back!

With a slick pop, Tristan freed himself from his wet confines, shucking the sweat from his face as his shaft rebounded to full mast. The power he had when grew flowed through his veins again, ready for whatever the next round of fun would be.

Colin patted his shoulder. “I thought I might've lost you there."

“Nah," Tristan laughed, “I just needed a pick-me-up." With his strength nearly back he felt the urge to explore his bulk, really show himself what a beef behemoth like him was made of. Bringing his arms into his sides allowed him the pleasure of getting some slow licks of his own chest in. The taste was just as orgasmic as the canine's, which amused him to no end.

“Someone's happy to see me. At least, I hope you are." The worship of his chest blinded him to his cock oozing a constant drip of pre, which Colin helpfully pointed out with a soft tug, getting him to moan as his fingers twitched from electric tingles shooting through his body. The fact that the collie's hands had grown with the rest of that gorgeous body meant being fondled was easier than ever. He'd longed for a night like this for some time now.

“Heh, seems like I took the lead here."

Tristan quirked a brow as he looked up at the dog. “What do you—" His body jumped when his length became sandwiched against the other man's, both grasped onto by the canine. He didn't have to look; just the feeling alone was enough to tell that his length appeared shrunken next to the monster hog pressing along his pelvis. That thing made a telephone pole look small! “Hey, that's only for now!"

“Oh, I know. I'm counting on it." He then watched as the dog sauntered over to the bench press, a lumbering figure looming over the bar currently being packed with the heaviest of weights the gym offers. The bar was strong – some kind of alloy meant to support immense burdens so that the patrons can get a good pump – but having so much of the largest plates loaded onto it actually sagged the ends a bit, the stoppers doing wonders to keep everything from falling off. It was the absolute maximum weight the bar could support without failing completely.

And the canine was doing curls with it. That was impressive, sure, but what was more remarkable was the fact that there wasn't a struggle to hoist it in the air. His friend was lifting the barbell like one would lift a twig.

Tristan felt like he could drill through solid concrete at that moment.

Colin's face dropped as he let the bar back down on its rests. “Ah, that's a little disappointing. I was hoping for some kind of challenge like last time."

That took Tristan aback. “You've done that before?"

“Only because some random asshole came up to me while I was exercising and started talking shit, so I shut him up by curling his personal best bench press." Colin patted the bar, a smile widening. “George got a good laugh out of it."

“Well," Tristan purred, “if you feel like you wanna take on something more difficult, you can always lift me whenever you want." To make his point known he sprawled across the dog's incomparable arm, his face resting on a bicep bigger than one of his pectorals, tongue lust-drunkenly lolling from his mouth. His hands prowled along muscles that he hadn't gotten intimate with in a while, letting himself have his way with a limb that could effortlessly play with him like a toy – something he was secretly hoping for.

He got his wish.

There was no indication that the dog was about to react to his playful worship until he found himself suspended in the air, a hand on each of his ass cheeks, kneading them firmly as his cock had lodged in between those colossal chest boulders. Nothing else needed to happen for his body to become inundated with a deluge of euphoric bliss, but the ride he was passenger to brought his lips locked with the canine's, a return to their cavorting in the change room.

This time, however, he found himself at the mercy of more than a ton of horny collie hellbent on pleasuring him whichever way was possible. More force had been applied to the kiss, their tongues intermingling as arousal raged through both hulking behemoths. A moan slipped from his lips as one of his friend's thick fingers braved the gauntlet that was his tensing ass cheeks to tease his winking pucker. That prompted him to spread his fingers across whatever dense muscle group they could find before gripping tightly, feeling fur bunching up between his digits. He mentally begged for the dog to put out the fire burning through him.

Instead, he found himself being spun around, those large grabbers twisting him upside down where he couldn't even reach the floor, dangled by feet held by the canine's head. His prick never stopped spasming the whole time his friend manhandled him. So much relentless pleasure pulsing through his pole was brought to a fever pitch when it was suddenly engulfed by the collie's mouth, that broad tongue lapping over his throbbing dick like one would a popsicle, his churning balls receiving the same treatment. His form went limp as the stimulation nearly short-circuited his brain. All his stress evaporated the more his scrumptious physique was worked over, feeling better than any massage he could find.

But that wasn't the only trick up the dog's sleeve as he suddenly wound up facing the other direction, now resting face-first in that absurd wall of abs, his tongue involuntarily getting to work slathering saliva all over them as his nose became acquainted with the beefcake's scent once more. He couldn't wait to discover what his reward for becoming a PhD candidate would be.

And then he froze. One thing canines enjoyed doing was fooling around another guy's rear entrance, involving lots of tongue action in the process. He was privy to the many moves of those he slept with, and no matter which species the other man happened to be, as long as he was a canine then there was rimming in his future. In truth, he didn't hate it, it was just an acquired taste. But when dealing with a muscle mountain like Colin, things could end up rather… intense.

A long slurp was made from the base of his girthy python to the parting of his glutes, the attention given to his taint causing him to bite his bottom lip in glee. The teasing he got earlier primed him for when the collie practically washed his twitching tailhole with a coating of saliva. That tongue then punched through and entered him, his fingers clenched as it wormed its way along his inner walls, not actually big enough to truly get him off, but the sensation of something so wriggly inside him certainly had him squealing with excitement.

And then it was abruptly removed. “It's time to return the favour."

“Please!" Tristan pleaded in an embarrassingly whorish manner, though too horned-up to really care at that moment.

The return to the ground was anything but graceful, but a man of his calibre wasn't concerned with a little roughhousing. No, what he was focused on was the gargantuan presence hovering over top of him, casting a shadow that signaled what was going to happen in the next moment.

Within seconds the dog's plump tip pressed against his awaiting hole, the anticipation killing him. His back automatically arched as the gooey preseed helped get the head of that column of a red rocket to ease its way in. He couldn't stop his tuft of a tail from twitching if he tried.

The fit was as tight as when he entered Colin, only this time he was on the receiving end, his face dropping to the ground as if inherently trying to help lessen the resistance his rump provided. A thick wad of his precum belched onto the floor. A moan of consent blasted from his mouth. His body was a writhing mess of emotions, though all of them were screaming for more.

Inch after inch—scratch that – foot after foot plunged into his cavity, with him doing his best to push back and help the process along. After the stress that was his final exams, he definitely needed this kind of relief, the feeling of being stretched wide by someone he trusted absolutely therapeutic.

God, how was he able to take all this in? Tons of practice certainly helped. But the main thing was the ability to recognize what it took to provoke whoever his partner was enough to achieve orgasm, something a self-proclaimed 'master of sex' could accomplish (which was something he called himself after one too many shots of soju.) And with having many 'study sessions' with the hunk splitting him open, he knew what it took to get the canine to blow, what he had to do no matter which position he was in. There was a reason he was in such high demand as an undergrad.

The one thing he wasn't expecting was for Colin to take one mighty thrust to slam that pillar home, musk deer ass becoming flush with border collie crotch, with both quivering as a result. He could feel pre being fired off inside him, the sensation of being filled already starting. That coaxed him to clamp his inner walls down. Immediately the dog grabbed his thick torso for support, fingers unable to make a dent in his diamond-hard flesh in spite of the size difference. Comparatively he felt small, but a man of his immense magnitude was still a fucking titan.

His nose found itself gravitating towards the nearest place of titillation – his over-engorged chest. Every whiff he took rocked his body, the earthy scent activating every neuron in his brain. It was why he didn't realize his hand had started jerking himself off.

And then the hulk's fingers slipped, finding purchase on one of his fat nips and giving a squeeze, the sudden stimulation causing him to utterly collapse in ecstasy. The titanic tool plowing into his hypermuscled rear end forced out a grunt with every buck. Were he any bigger, his breathing might be comparable to a tornado.

Having his nipple played with like a loose doorknob had Tristan half-lidded almost instantaneously. He could take quite a lot of punishment, but when erotic assault came from all over like at that moment, there was little he could do other than sit back and enjoy the ride. At least he could get back at the towering colossus with a workout of his own.

Right away the presence of the largest pecs in the city descending on his back became known, those tremendous mounds weighing down on him as they extended past his broad shoulders. To think he helped grow those, and the thought of where they started from… Goddamn, was he good at that! Oh, he was unparalleled at making mass monsters, to the point where the people he hung out with eventually tripled their size with little effort. His school was likely the only one in the country – and the world, for that matter – where the chess club members outsized the bodybuilding team.

Being drilled into like a derrick searching for oil tensed his body up to its limits, his muzzle firmly buried in pecs that could be used for pillows by an average-sized gym rat. His tongue uncontrollably licked at the sweaty mounds, the taste both salty and manly as it mixed with his musk, one thing of his that his exploits assuredly remember about sleeping with him. It was part of his species name, after all. Why wouldn't his be exceptional?

But with the dog above him sweating all over his back, Colin's aroma mingled with his, creating a powerful aphrodisiac that had him practically fucking his hand, his fingers slick with his juices. He bleated hard from the stimulus coming from both sides of his groin.

How he hadn't lost feeling in his lower half, he'll never know because the collie was pistoning into him like a well-oiled machine and he was taking every foot like a champ. His very soul was a flaming inferno of desire that wanted to have the dog drain those balls into him, not caring if there were consequences as they'd quickly be drowned out by the positive effects. His skills developed taking on guys bigger than him years ago were coming in clutch.

Unable to contain his urges anymore, the pressure in his pendulous orbs flew over the edge of climax and shot his creamy ballbatter out like a pressurized hose. Shot after sticky shot painted the floor a pearlescent white, his thick fluids casually pooling around the drain installed amidst the tiles before falling into the system built specifically for that purpose. He was thankful the gym owner had that kind of foresight.

So much cum backed up his balls that they felt ready to burst. Letting himself release was like a cork flying out of a bottle of champagne, only he had far more output to give before it was time to settle down. A quick brush against his throbbing ballsack with a hand told him as much.

And while him erupting all over the gym floor was a spectacle in and of itself, there was a much bigger explosion waiting to happen behind him. Colin had begun to slow down, his grip growing stronger as his thrusts became more forceful, cum tanks crashing into burly thighs. Tristan felt the dog wrap his arms around him, becoming intimate with muscles that could go toe-to-toe with a freight train as he felt one last slam of the collie's colossal crotch cannon ream his gaping asshole. A whine escaped from the canine's throat, though at his size it sounded more like a bellow.

Instantly there was a flood of viscous seed gushing into his system, the overwhelming force of it all getting him to blast his load even harder. So much spunk rocketing through his form meant it had to congregate somewhere unless he wanted it spewing out his mouth. That meant his chiseled gut took a hit as it bloated out from the litres of potent jizz currently deluging him.

It was exactly what he hoped would happen.

What was once cum was slowly being transformed, absorbing into his frame to become inimitable size. At least for the average person; he got that big at a house party half a year ago.

If he was huge before, then gigantic might now be enough to describe him now. Arms with veins like garden hoses bulged with might as he indulged in being pumped up, those muscle fibres growing thick as steel cable before making it look like a cheap alternative to the strength he commanded. Any free weights were trivial for a workout now, needing to look towards lifting the machines themselves if he wanted any kind of results, but with the rate his body accumulated mass, those might not be enough soon.

That chest his nose had been buried in was unrecognizable. The planetoids affixed to his torso made the pair he used to have look flat in comparison, and they only kept getting bigger, his nipples completely facing downward as there was so much mass in the way preventing them from going anywhere else. Any movement of his arms was enough to get them to flex into his face, an act he greatly encouraged as his nose got to revel in the delicious musk he exuded. Yeah, it'd been too long since he had a chance to really let loose.

What heft of the dog's weighing down on him now felt lighter as his back blew up with thickly-corded mass, each muscle group turning into a peak in the largest mountain range this side of the city. Titanic traps that kissed either side of his head pushed back against what was formerly the largest man in the area, while his lats blasted out to be broad expanses that could just about have a car parked on them. He'd be surprised if anyone other than the canine could touch both at once.

There were more surprises in store for his trunk as his abs returned to him. However, the sheer amount of cum that had swelled his abdomen induced a change in the structure of his core, now giving him a tortoise shell of a gut that a muscle monster like him could rock without question. It oozed power without him even having to say a thing.

But it wasn't just his torso having all the fun. If it weren't for his pelvis widening to complement the freighter physique he now sported, then those legs of his would force him to have to waddle everywhere as they bulged grotesquely with more beef than there was on an entire football team – the distinction between American and European being unnecessary. Even then, his quads looked more at home as a wrecking ball with how it more than doubled in size after a single flex, and those calves of his were no slouches either. Any gym bro would kill to have his. They may not be everyone's favourite muscle to work out, but with how inflated with heft they'd gotten they could likely disintegrate a bullet fired at them.

And what could he say about his extraordinary ass? It was already one of the best things about him – and he made sure to flaunt it when modeling – but now it outclassed everyone else's. Each cheek put a tractor tire to shame and could effortlessly crush one if placed between them. Failing to find any at the moment, the collie's engorged prick would have to do, the pole becoming less and less filling the more time ticked away. He could provide more pressure to get the rest of that nutritious growthtein out of those kneeknocker balls and into his system to fuel his gains. Oh, anything to get bigger.

Although he had a lot to be proud of, what might be most impressive about him now was his implausibly gargantuan package. His obelisk could've been someone else's leg before, but now it definitely looked like a match for his own with how even he couldn't wrap his hands around it, needing to resort to his arms if he wanted to jerk himself off. But what good was a monolithic representation of masculine cervine virility if they weren't coupled with testosterone factories worthy of being paired up? His own set dwarfed everyone's. That wasn't hyperbole knowing that only a select few got this big to begin with, and he knew not all of them had the support of a herculean border collie bloating them bigger. Heh, what a delicious feedback loop.

Did the whole thing last seconds or hours? It was hard to tell with the pleasure centre of his brain being preoccupied with his prostate flattened into putty to keep track, and he wasn't too hard pressed on finding out for sure. All he knew was that all of what just transpired was exactly the itch he needed to scratch.

It was only then that he really understood the magnitude of his growth, not realizing that expanding in every dimension as much as he did took the dog along for the ride, now having to climb down in order to reach the ground again. That knowledge could easily get him spurting again.

And with the way Colin carefully clambered over to his head, it was obvious the poor dog was spent. “The outcome was exactly what was predicted to happen. Our experiment was a rousing success."

Tristan playfully traced his fingernail up the collie's chin. “We were testing this, were we? You don't think we had enough data points already?"

“It's always good to double-check your results." Colin brushed the side of his cheek, that hand barely big enough to grope anything at this point. “Now I just have to summarize how I plowed you into gaining several tons succinctly enough for the conclusion to be read with more than one hand."

“Well, you can have it on record then that I'm definitely bigger now." Tristan watched the dog recoil slightly when he gripped that red rocket, the flesh still sensitive in spite of how thoroughly it worked him, though he expected nothing else of the swollen stud.

“If you weren't, I'd be concerned." A staccato breath forced its way out of Colin's mouth. “So, do we have a verdict?"

Tristan chuckled, completely forgetting the point of the evening up until that very moment. “You put up a hell of a show, but I don't think you're cut out to be a bro. Sorry."

“Ah, really? I thought I did great!" Colin attempted to cross his arms along his chest, but with each part weighing hundreds of pounds, there was no chance of that happening. “What didn't you like?"

A thought crossed Tristan's head, inducing a playful twinkle in his eye. “You certainly had the moves, that's for sure, but you didn't have the stuff." Without saying a word, he gripped the sides of the canine and lifted him up, letting the titan rest on his chest shelf. “Maybe if you had a set of gaudy nipple rings I could play with…"

“Not in a million years. Darren brought up the topic of barbell piercings once, and I think that's the most someone could talk me into." The collie was resolute, something the breed was good at. “Darn. Guess I'm gonna have to go back to being a science nerd. Tim will be so disappointed in me."

“Yes, because there's no greater embarrassment than watching a guy who weighs more than a ton fiddling with test tubes and beakers." In retaliation for earlier, he played with his friend's ass now that he was the larger of the two. “He won't be able to look at you at all."

“Shame, because I make it look good."

It hit him how much physically looking down at the other man made him look so much cuter. “Because you're gigantic?"

“That, coupled with the fact that I have yet to receive anything below a 95 in his program. I think he's trying to hold onto me for as long as he can."

“Well, I won't lie, you certainly are a catch." As if demonstrating his point, he gave the nerd a nice, long smooch on the cheek, practically feeling the blush through all that fluffy fur. He then affectionately nosed along the dog's pecs. “What say you and I find something else to do? I'm not quite ready to call it a night yet."

“Hey, we're not going anywhere anytime soon." In what could only be described as a 'teaching voice,' Colin barked as he gestured to the floor, the drain having clogged with the utter volume of cream blocking it up and preventing anything else from making it down.

Tristan froze. At his inconceivable size, it would be totally in line for him to not give a shit about what anyone else thought and stomp around the city if he wanted to. But he wasn't going to do that because he actually liked this place, as well as the owner, and he'd be devastated if he wasn't allowed back in. Plus, his guilt would murder him. “Oh, uh," he only then realized how much harder looking around was with a neck the size of the car he drove there with, “what do we have to clean up with?"

He watched the canine grow a mischievous smirk. “You have a tongue."

“Colin!"

“I'm kidding, there's towels." Colin pointed in the direction of the front desk. “That said, I do have something you can bathe if you're interested." In spite of the tremendous size difference, Tristan could see his friend wasn't any less brash when he wanted to be.

Fuck it. With gusto, he lapped at the dog's plump pupmaker, tasting nothing but musky cum that he greedily inhaled like it gave him life. He was thorough; he made sure of that being a part of his reputation. That also gave him the green light to get the rest of his friend's junk involved, tormenting the canine's sensitive taint and hearing a whine as a result. It tickled him that their skills were complementary.

Having made sure not a drop of cum remained on the fluffy hulk, he then let out the first thing that popped into his head. “So, what would you do if I got into a doctorate program?"

Immediately that got Colin to stop and think, turning away before making eye contact again. “Wanna be seen from space?"

“I'd rather be seen in space." Tristan cooed, his libido activating again. Damn, that'd be a hell of a ride, one he was certain he'd need a bunch more people for.

“Ooh, I don't think Tim would approve."

“Ah, he can be there too. He could stand to put some meat on his bones. A gigaton or twelve won't hurt him!" And now he was thinking about blowing up all the people around him. Why did he have to know so many cute guys?

That prompted Colin to shift his position and jump to the floor, sauntering over to where the clock was – now eye level – and checking out the time. “You know, there's still a few hours before midnight. I bet he could use a break from marking exams." The first thing Tristan noticed was his friend's tail wagging excitedly.

“Wanna give him a call?" Colin walked out of view, but the telltale sound of a doorway being destroyed resounded through the room, and the sudden lack of noise indicated how it was an accident. That set him off immensely. Concrete would crumble to dust if he smashed his cock through it. The hole he'd leave behind if he were to fuck the ground would become a landmark attraction.

The dog then came back into view, a bit dustier, but holding his phone. “A few pictures too. Figured I'd show him why he should be here."

Tristan giddily licked his lips in anticipation. “Mr. McInnis, I'm ready for my closeup."