FSE

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This story takes place in the "Scooby-Doo" cartoon universe and is purely about what Shaggy the male human, and his talking anthropomorphic male canine friend Scooby-Doo, like to do during their free time together. Both characters are over 18 in a completely made-up fictional cartoon universe originally made in the 1960s that have been friends and secret, or not-so-secret, lovers for years. I'm not labeling this zoo or feral because Scooby is completely anthropomorphic, can speak and consent, walk on two legs, has thumbs, and has even driven cars. I'm not into human x zoo stuff so this is about as close as I will get. This is a commission and the commissioner would like to stay anonymous.

This is my first finished story in over 12 years so hopefully it's not too rough.

Contains: gay, male/male, anthro x human, oral, anal, bareback, watersports, cum, multiple orgasms, love, friends.

Shaggy and his canine pal for life, Scooby, were hanging out at Shaggy's apartment, watching TV in the living room and eating out of a box of "Scooby Snacks brand dog biscuits" as they relaxed on Shaggy's soft, brown leather couch. Shaggy wasn't wearing his pants as he sat there in only his bulging green brief underwear and baggy green t-shirt. Scooby was also relaxed on the couch right next to Shaggy, leaning back with his hind legs spread out in the air, his furry balls and plump ferry sheath completely exposed to Shaggy. As they watched television, Shaggy had his hand on Scooby's fur-covered groin, idly stroking his canine friend's furry belly and testicles as they watched a mystery movie on TV.

"I've, like, never seen this one before Scoob," Shaggy said, his hand squeezing up and down Scooby's furry sheath and the thick shaft within, as the two watched the film. "Like, looks good though."

"It rooks great," Scooby replied, as Shaggy continued to idly stroke his friend's furry sheath and balls. Scooby had his muzzle resting on Shaggy's shoulder, his eyes closed as he enjoyed the attention he was being given by his human friend. Scooby was always excited when his best friend was around, and had been since the day Shaggy met him as a puppy when they were kids.

Shaggy loved his best friend Scooby as well and was always happy to be around him. It was only on their days off, away from the rest of the 'Mystery Incorporated' crew, that he and his talking canine companion could be more intimate with each other. The two had grown up together and were inseparable, having been friends since they were young boys. Scooby had been raised in a loving home with his friend Shaggy, and as they grew up, they got much closer and became intimate with each other to the point that they would now consider themselves lovers.

As Scooby felt his human friend's hand rub up and down his furry cocksheath, he leaned forward and kissed his human friend on the lips. Shaggy didn't hesitate to return the big slobbery kiss, and Scooby licked at his tongue with his own. Shaggy's hand moved lower down Scooby's furry sheath as their tongues explored each other's mouths. Scooby's tail wagged wildly as Shaggy's hand stroked up and down his furry sheath, making Scooby's long, red, veiny, dog-cock start slipping out. Shaggy's hand reached his canine pal's swelling knot, still stuck inside the canine's furry sheath, and gave it a good pulling squeeze to pop it free of the tight sheath and let the dog's full 9-inch cock slide out and be on full display, causing the canine to sigh softly in relief.

Scooby broke the slobbery kiss to lean over and push his snout and muzzle into his human friend's crotch, and began kissing and nuzzling against the front of Shaggy's bulging underwear, making the human's cock stiffen and grow under the green material. Scooby was so excited to have his favorite human around, and he knew they would be playing together for hours, if not all night. Scooby licked and nipped at the fabric of Shaggy's underwear, as the human continued to stroke Scooby's furry balls and cock sheath. Neither one of them paying any attention to the movie playing in the background any more. Scooby could feel his cock growing hard and pressing against his belly, but he knew his human friend was still wearing his underwear and had to do something about that. He then reaches over with a paw and opens the fly of the front of Shaggy's green briefs and helps pull out the human male's smooth balls and 8-inch circumcised cock through the opening. Scooby gives Shaggy's balls a good, big, slobbery lick with his broad tongue, causing Shaggy to moan in delight, before he starts to lick up and down Shaggy's quickly hardening shaft.

"Mmmmmm, Like, someone's excited, man." Shaggy moaned as his canine lover licked and nuzzled his groin, giving him a raging erection and making him even more excited than he already was. Shaggy and Scooby were almost always horny and ready for action, and it didn't take long before both of them were panting as their breathing became heavy.

Shaggy's hand was now wrapped around his canine pal's pulsing fleshy dog cock and stroking his canine friend's thick shaft, as Scooby continued to give his human friend a long, slow, wet, slobbery, licking blowjob. Shaggy's hand worked up and down Scooby's smooth, veiny, shaft, and Scooby's tail wagged in excitement as he felt his human friend's hand stroking him off. Shaggy's fingers slid up and down Scooby's shaft, occasionally letting go of that fleshy dog cock to fondle his canine pal's furry nuts, playfully squeezing and tugging on the dog's furry testicles, knowing how much Scooby liked getting his balls played with. Scooby started to moan loudly, feeling a familiar pressure building in his groin as pre-cum began leaking from the tip of his red rocket. Shaggy saw this and slowed down, wanting to prolong this pleasure until his beloved friend was begging for relief, which seemed to happen frequently whenever Scooby and Shaggy were alone with each other.

While Shaggy held onto his canine buddy's furry testicles, Scooby used his mouth and big slobbery tongue to suck off his human companion, sucking on his cock head while using his teeth to nibble at its sensitive underside. Shaggy started panting for breath as his pre-cum leaking cock began twitching in Scooby's hot, wet muzzle as he felt an impending climax building. He couldn't help himself any longer; his hips bucked weakly upward, causing Scooby to gag slightly as he tried to swallow every bit of his lover's member getting shoved into his mouth. Scooby sucked harder and faster, trying to keep up with the rhythm of his human partner's thrusts. The dog looked up at Shaggy, whose face was contorted in ecstasy, as he panted heavily between deep breaths and smiled broadly as he heard Shaggy cry out and tense up. "Oh god Scoob! I'm, like, gonna blow man!" Shaggy exclaims as his eyes roll back and he begins spurting ropes of thick, hot, white, salty cum straight down Scooby's throat.

The sounds of slurping, moaning, and grunting filled the room, as well as a sweet musky scent that hung in the air of the rather warm room. Shaggy kept pumping his seed directly into his canine lover's hungry gullet, groaning and moaning louder than usual as Scooby slurped up everything that came out of his pulsating cock. Shaggy pumped another load of sperm down Scooby's throat and then released the canine's furry testicles from his grip as he had to brace himself on the couch to stay upright during his final spasms. Scooby swallowed again and again as his human partner shot rope after rope of warm sticky fluid into his muzzle, and he could taste and smell the strong flavor of his master's fresh ejaculate mixing with saliva on his tongue. Scooby opened wide to allow his human partner to shoot what remained of his copious supply of jizz down his throat, swallowing it all without stopping to breathe. As soon as his last rope hit the bottom of Scooby's throat, Scooby closed his mouth tight around Shaggy's still twitching cock, slurping powerfully on the now super sensitive human male's cockhead to milk it for all it was worth, causing Shaggy's toes to curl from the overstimulation.

Shaggy groans, "Like, zoinks Scoob... That was amazing! Phew!" he says, still panting from the afterglow.

Scooby pulled away, licking his chops before wiping his muzzle clean with a paw, smiling proudly at his wonderful lover, who sat there staring blankly ahead with his jaw hanging open in disbelief and awe. Scooby chuckles, "Raaww... It ras no rhoblem Raggy! Rehehehe."

The two men sit there, side by side for a moment, catching their breath and gazing lovingly at one another. Shaggy then smiles towards Scooby, "Like, don't think I forgot about you, ol' buddy, ol' pal!" he says as he pushes Scooby onto his back on the couch the long way, lifting his leg over his friend's torso, and moving over to straddle his canine pal's crotch and furry stomach. Shaggy's green underwear-clad ass, now right in line with the canine's still rock hard, veiny, red, dog dick. Shaggy reached back and grabbed Scooby's cock with his left hand, stroking it slowly, gently caressing the shaft and balls with his palm, as he then moved the back of his green briefs to the side to expose his smooth shaved asshole. Scooby arched his back to stretch out his limbs beneath his human companion, craning his neck forward so he could look up at Shaggy and smile affectionately. They locked lips once again, sharing tongues and tasting each other's mouths with gentle licks and sucks before Scooby pretty much licks the entirety of Shaggy's face in one big silly slurp.

Shaggy chuckled as his hand continued to stroke Scooby's rigid cock, their bodies pressing together tightly and sensually. Shaggy gave Scooby's nose a playful lick back as Shaggy lifted himself up and off of Scooby just enough to give clear access to his canine pal's thick, wet cock. Shaggy reached down and guided his friend's erection to rest against his smooth pucker, pressing lightly as if testing whether or not it would fit inside of his rear end. Scooby nodded approvingly and let his legs fall apart slightly to make room for his human lover's movements, opening wider to accept the length of his canine partner's dripping cock. With careful deliberation, Shaggy lined up his canine lover's slick, veiny, phallus with the entrance to his anus, sliding it into his inner ring of muscle. Scooby gasped aloud, feeling the tightness and warmth of his friend's pre-cum slickened anal ring squeezing down around the slowly penetrating dog's cock. Shaggy grunted softly, slowly sitting back, stretching his hole ever-so-slightly wider as he slid further down Scooby's length. After some time spent working his way onto his beloved canine mate's cock, Shaggy lowered himself down fully upon his friend's twitching member and wrapped him in a firm embrace as they shared a mutual moan of pleasure. "Like, I'm all yours, Scoob." he whispers.

Scooby groans, "Oh Raggy!" he says as Shaggy's ass envelopes Scooby's throbbing dog cock completely. He looks up at Shaggy through heavy eyelids and reaches up to hold his human lover close. Their arms interlock as Shaggy sits atop his best friend's furry belly, rocking back and forth on top of him to find the perfect angle to get fucked by his canine lover. Scooby lets go of Shaggy's arm and places his paws on his best friend's shoulders instead, pulling his human lover closer to him. Shaggy's smooth balls and re-hardening cock rub against Scooby's abdominal fur as Scooby happily kisses and slurps at Shaggy's lips. Shaggy moves his hands underneath his lover's furry stomach to rub the canine's belly fur as he continues to slide his hips up and down Scooby's pulsing meat pole.

Shaggy grunts loudly with effort, pushing himself farther downward and making Scooby gasp in surprise as he takes Scooby's cock to the top of the dog's swelling knot, groaning out as he pushes back more and more, letting the swelling bulb slowly start stretching his anal ring. He then realizes there was no way he was taking the knot just yet and starts to slide back up a bit, allowing Scooby to start thrusting into him more eagerly.

Soon, the two lovers were slamming themselves into each other repeatedly, driving them both wild with lustful passion. Both men groan loudly as they fuck, growling lewdly and grunting deeply as Scooby's pelvis slaps against Shaggy's ass harshly over and over again, creating loud slapping sounds throughout the room that echoed off the walls and ceiling. The dog's cock now pounding Shaggy's ass more forcefully; Scooby's big furry Great Dane balls bouncing up and down with each thrust into his friend's ass. Every wet thrust would push a bit more of Scooby's knot against Shaggy's stretching asshole. Soon, Scooby's knot started getting larger and tighter around Shaggy's stretched ring of muscles, causing the human to grunt louder than usual. Finally, after what felt like forever, Scooby stopped thrusting abruptly and moaned as Shaggy put the full weight of his ass back against the dog's cock knot. He looked up at the human above him and smiled warmly as he took a deep breath, encouraging the human, "Take my knot, Raggy!" he whispered between breaths.

Shaggy nods in response, moaning softly as he grips at the canine's belly fur, "Like, I'm tryin', man... Unnngh!" He says as he sits up and pushes back more and more, riding Scooby's red rocket, cowboy style. That swollen, fleshy, dog cock knot pressing harder and harder against Shaggy's asshole, stretching his anal ring more and more before suddenly and finally popping inside Shaggy's rippling anus, causing Shaggy's cock to launch out a glob of pre-cum as that dog knot presses powerfully on his prostate. Scooby gasps aloud as he feels his hot mass of canine cock fill every nook and cranny of his lover's insides, locking the human's ass onto his throbbing, pre-cum leaking, dog cock.

Scooby moaned deep and low, "I'm gonna rhum Raggy!" he said between breaths as Shaggy began rocking back and forth harder and faster, tugging on the now trapped cock of his canine lover, milking it with his twitching anal muscles. Scooby's eyes fluttered closed, his entire being consumed with ecstasy and desire as Shaggy started pumping his own dick furiously beneath him, jerking away as he rode the canine's massive swollen cock. Scooby grabbed his lover's waist, firmly gripping hard while he pushed down on Shaggy's waist to help guide his friend along, fucking him vigorously with his swollen, knotted dog cock. Scooby's dick was leaking more and more pre-cum as he felt a powerful climax building in his bouncing furry balls.

Shaggy was sweating profusely from the exertion of having such a massive cock filling so much of his ass, but he soon found himself unable to contain his animal instincts any longer... He had been waiting for this moment for weeks! Scooby kept bucking forward, pumping his enormous knotted canine cock back and forth locked in Shaggy's well-used, abused, and willing butt. Shaggy leaned his head against Scooby's shoulder and buried his face into Scooby's furry neck, breathing heavily, grunting loudly, and moaning as his body shook uncontrollably. Shaggy was ready; eager for release and relief from the constant aches of unbelievable pleasure coursing through his body. Scooby could feel the tension building within Shaggy, sensing how badly he wanted to cum. And when the moment came, Scooby knew exactly what to do: Scooby held Shaggy fast against him, using only the strength of his forepaws to keep Shaggy pinned tightly against his furry chest as he continued to slam his thick, stiff, canine cock deep into Shaggy's tight, knot-fucking into Shaggy's clenching guts.

With one last guttural howl, Scooby let loose with a torrent of cum that shot directly into Shaggy's bowels, shooting high-pressure streams of potent, hot, thick, dog jizz wildly into Shaggy's wet asshole, spraying and spurting into the human's depths over and over again. He didn't stop until all 9 inches of his veiny twitching cock, plus the extra 2 or 3 of his thick knot, was basting in copious amounts of his own warm semen in Shaggy's ass, and even then, Scooby kept ramming his knot relentlessly into Shaggy's defenseless hole, slamming his cock and knot against Shaggy's prostate with each powerful stroke.

Shaggy arched his back and threw his head back, groaning and grunting loudly as he felt his orgasm approaching rapidly, his cock exploding with heat as spurt after spurt of white, salty, spooge, sprays across Scooby's belly and chest fur, and even right against Scooby's snout. Each time a new load of hot cum splashed against the canine, he'd jerk his hips forward slightly, forcing another burst of warm sticky fluid from Scooby into Shaggy's hungry ass, coating Scooby's sensitive organ completely in thick creamy loads of hot, tasty sperm deep in the human's spasming bowels. After what seemed like forever, Scooby's climax finally died down to a trickle in his best friend's ass.

Shaggy sighed deeply, panting heavily and gasping for air as he collapsed atop Scooby, lying on top of him and kissing his canine friend's nose affectionately. They both stayed locked together like that for some minutes. Scooby would be unable to pull his cock out of Shaggy's ass till his knot shrank back down, so they lay there enjoying the afterglow together in such an intimate way, recovering their energy and catching their breaths. Shaggy was enjoying the sensation of having such a large cock buried so deeply inside his ass and could swear there was so much cum in him, that his abdomen was slightly bulging out.

Scooby gently strokes the human's hair and whispers soothingly in Shaggy's ear, "You're rust rhoo good to me, Raggy," he says gently.

Shaggy chuckles between soft moans, "Like, zoinks, man, I didn't know you were that pent up. I, like, wasn't expecting the whole red rocket treatment".

Scooby laughs heartily, "Re, he, he, he!"

They stay like that for quite some time, both simply basking in the afterglow of their mutual orgasmic bliss. Eventually, however, Scooby's knot had finally shrunk down enough that his cock slowly started to slip out of Shaggy's now gaping asshole, which caused the canine to moan and whimper a bit sadly. Scooby turned his head towards Shaggy and gave him a loving kiss on the lips as his veiny, softening dog cock finally slipped free of the human's asshole with a wet 'schlorp' sound, as a large creampie of dog cum gushed out of Shaggy's ass, down all over the canine's groin and leg fur, and all over the leather couch cushions under the duo. The two lay there together on the couch, resting and relaxing, licking at each other's tongues as the scent of fresh cum and male musk hung heavy in the room.

Shaggy sits up, getting up off the top of his canine buddy, grinning as he pulls his green briefs back over his still cum dripping, gaping, ass and stuffs his moist cock and balls back into the fly at the front of his undies. He then sits back on the padded arm of the sofa, looking over his canine companion lying there with all four paws in the air, chuckling, "Like, we're gonna have to clean this up, Scoob. I'll get a towel."

Before Shaggy could get up, Scooby hopped up onto all fours, "Rhait! I rhot this!" he says before hungrily slurping up the sweat and puddle of cum left on the leather couch cushions they had been on. Then, he leans forward and gives Shaggy's crotch a big sloppy lick along the front of the human's green briefs, smiling happily while doing so.

Shaggy blushes a bit from Scooby's actions. He chuckles and looks at Scooby fondly, "Well, like, I hope you enjoyed yourself, Scoob. We both really needed it bad, huh?"

The Great Dane nods enthusiastically, "Reah, Raggy. I rhoved it!"

Shaggy smiles softly and pets the Great Dane's ears, "I did too, buddy! Like, we should take a shower and order some pizza! I'm like, starving man! And we don't wanna, like, scare the pizza delivery dude."

Both of them laugh together at the thought, and Scooby jumps off the couch eagerly, ready to help his best friend freshen up after their intense coupling, as well as make sure that the smell of their sex doesn't linger too long around the house. Both guys quickly head to the shower as shaggy strips out of his cum soaked briefs and stained shirt, revealing his twink-like body, tossing them into a hamper in the bathroom. While Scooby carefully takes off his signature collar and gently sets it on the counter before scampering into the large shower on all fours to get the water started. Shaggy follows behind him, stepping into the warm spray himself once Scooby got things going. The two stand shoulder-to-shoulder with Scooby standing on his hind paws, facing Shaggy under the steaming hot stream of cascading water, letting it wash away the remains of their recent intimate encounter, as they scrub themselves vigorously under the hot water with some minty-smelling soap and fur shampoo. They look lovingly at each other, as they soap up each other's bodies, working up a nice, slick, bubbly lather. Scooby's paws roam freely over Shaggy's smooth skin as Shaggy soaps up Scooby's fur, caressing every part of each other's wet bodies, using their fingers to massage each other's muscles and joints, and rubbing their soapy, slippery chests together as well. They rinse off in the warm spray of water, both gargling the fresh water to rinse their mouths out before the two males lean in close and passionately lock lips, sharing a long, passionate, steamy tongue wrestling session under the warm cascade of water falling down upon them. Their tongues playfully dueling and wiggling wildly against each other's, with Scooby, quite obviously winning the match as he cartoonishly licks Shaggy's entire face, until both of them eventually break apart from the kiss/slobbering with satisfied grins on their faces, leaving a trail of saliva between the two in the process.

Scooby then reaches over and starts washing Shaggy's cock with his paws, stroking it lovingly as he does so. Shaggy moans back, reaching back with one hand to stroke Scooby's muzzle gently, causing the Great Dane to let out a horny "rhuff" noise and smile broadly, his eyes glazed over with lustful passion. It only took moments for Shaggy's cock to get rock hard again in Scooby's paws. The canine quickly got down on his hind haunches and leaned forward to give the human a deep, wet, slobbering blowjob, sucking his friend's smooth cock and balls hungrily all at once, slurping loudly and groaning softly as he did so, letting that long broad dog tongue just absolutely slather itself all over Shaggy's manliness. After giving his pal a thorough cleaning, he sat upright on his rear legs again, leaning forward slightly to rest his paws on his knees as he sucked and slurped, bobbing his head back and forth rapidly and fervently on his friend's thick rod, making Shaggy groan as pre-cum leaks out in silky strands.

After about 30 seconds of vigorous oral stimulation, Scooby stopped blowing Shaggy abruptly, panting heavily, "Mmmphh..." he whined quietly through his open mouth, "Rhuff!"

He looked up at Shaggy, grinning widely. The human nodded and smiled back, "Yeah? Like, why'd ya stop, buddy?"

"I'm thirsty," the canine said with a hungry whine as he pushed his snout playfully against Shaggy's crotch, above the human's throbbing cock right over his bladder.

Shaggy blushes a bit, realizing what kind of drink the dog wanted, having to double-check with the canine as he asks a bit hesitantly, "You, like, want a golden shower... In the shower?"

"Rhes Rhease!" Scooby practically squeals excitedly, nodding energetically as he dances lightly on all four paws, clicking his nails on the tiles below. He then scoots closer towards Shaggy, resting his front paws on either side of the human's thighs, opening his muzzle wide near the tip of Shaggy's pre-leaking cock tip, licking his chops suggestively and giving a few playful licks to the underside of the human's cock. Scooby's own member had already slid out of his sheath again and was wetly throbbing against his soaking wet abdominal fur. Needless to say, the thought of drinking the human's piss was arousing to him.

Shaggy, still blushing a bit as he had only done this once before, gulps and chuckles, "Well, like, one hot drink coming right up buddy!" If Scoobs wanted it, Shaggy would provide it, as the lanky human closed his eyes and relaxed... Thinking of all the running water around him and that he hadn't pissed in half a day, groaning as it was a bit hard to pee with a raging hard-on, right until a trickle started coming out, then the full stream soon followed, making him let out a relaxed moan.

Scooby's eager tongue immediately latched onto Shaggy's cockhead and began slurping and licking up the warm fluid, drooling copiously from his open mouth as he worked his way further down the length of the cock, taking more than just the tip into his muzzle. He could taste the muskiness of Shaggy's pre-cum mixed with the tangy flavor of urine, which seemed to excite the canine even further, as he kept licking and slurping, loving the feeling of the hot liquid sliding down his throat directly from the source, moaning and slurping happily as he did so, swallowing the warm liquid down greedily.

Shaggy laughs and lets out an involuntary groan, feeling Scooby's tongue slide across the sensitive flesh of his pee-hole, sending pleasant tingles throughout his entire body. He couldn't tell if he was going to keep pissing or start cumming at this point; it was quite a different feeling for him. He braces himself on Scooby's shoulders as he continues to leak steadily into his canine companion's gulping muzzle, watching the canine lick his cock clean and swallow every drop of bitter golden nectar down eagerly, not wanting to leave any behind. Shaggy moans as he feels his bladder completely empty and the last few drops sputter out of his still throbbing hard cock and into the canine's throat.

Scooby groans as the human finishes pissing in his eager muzzle, slipping the human's hard cock out of his mouth and giving Shaggy's piss slit a playful kiss before getting down on all fours and turning around, facing away from the human, raising his tail, and sticking his ass up in the air. He gives Shaggy a sly over-the-shoulder grin, wiggling his rump suggestively and saying, in a hushed but playful tone, "Raggy does Rooby Doo."

Shaggy smiles approvingly, "Well, like, if you insist, ol' buddy! But let's get you ready first, man. " stepping close to the canine, and getting down on his knees in the large steamy shower to get a hold of Scooby's furry butt cheeks, and pulling them apart, exposing the canine's black puckered asshole to the human's waiting tongue.

The canine giggled nervously at first, then moaned at the hot sensation of the human's tongue pressing against his tight, but rather large, pucker. He then gasps as Shaggy pushes his tongue inside Scooby's asshole, slowly pushing its way deeper and deeper, making the canine whimper pleasurably as Shaggy thrashes his tongue around in Scooby's clean but salty anal cavity. Those feelings alone were making the canine's red dog cock slap and pulse wetly against his dripping stomach fur.

Shaggy's tongue explored the inner depths of Scooby's tailhole, flicking and swirling around within the silky, rippling confines, eliciting a soft growl of pleasure from the canine as the human's tongue tickled his friend's insides, making Scooby giggle and sigh quietly as he did so; enjoying the feeling of being stimulated in such a way immensely. He then reaches between Scooby's legs to gently stroke his best buddy's aching red rocket.

Scooby moans out, "Raggy! I Rhant you in me!" he says as he wiggles his butt and tail invitingly.

Shaggy gets the hint and pulls his tongue out of Scooby's slickened-up asshole with a wet slurping noise and quickly stands up behind the canine, making sure to move the shower head off to the side so they weren't getting sprayed directly with hot water anymore, turning the large tiled room into more of a sauna now.

Scooby looks back at Shaggy with pleading puppy dog eyes, begging him to continue, as the human smirks and says teasingly, "Like, alright big guy, here we go."

Grabbing Scooby by his muscular furry hips, Shaggy stands up straight, leaning forward slightly to lift Scooby's hind end a bit before positioning his pre-leaking cock head at the canine's black, spit-lubed, asshole, and rubbing the tip along the canine's twitching anus. Scooby whimpers softly at the feeling, letting out a quiet "Roohhh..." as he feels the familiar heat and pressure build up deep within him as Shaggy begins to push his circumcised human dick into the canine's rather accommodating tailhole.

Scooby grits his teeth together as the thick mushroom-like human cock-head pops past his ring, stretching his rippling, silky, anal muscle walls. The rest of the veiny, pulsing, shaft slowly slides entirely into his bowels, filling him completely, and causing Scooby to gasp audibly. The canine is forced to take a couple of breaths to regain some composure after being stuffed by Shaggy in this way, and relaxes as he adjusts to having his friend's rather large cock inside of him, moaning quietly and shaking his rear end slightly.

Shaggy grins knowingly at Scooby and grabs the canine's furry waist firmly, holding him steady while he starts moving his hips in small circular motions, deep fucking Scooby in small, slow, rotating pumps, not pulling out more than an inch of his throbbing, pre-cum leaking, cock as he explores the depths of his furry, best friend's, tailhole.

"Mmmghh... Raggy?" Scooby whines softly as the human keeps pumping his stiff cock into his best buddy's tight furry butt.

"Yeah, buddy? Like, what is it?" Shaggy asks, looking down at Scooby curiously.

Scooby flushes under his fur and makes a happy whining noise. "I rhuv roo Raggy!" he says, looking back at the most important person in his world.

Shaggy blushes deeply, chuckles, and replies, "Oh yeah? Well, I like, love you too, dude! I have for, like, years, man! Even before we started doing stuff like this, "he says as he reaches around Scooby's right flank and squeezes his canine lover's throbbing red cock for emphasis. They both knew how much Scooby loved Shaggy and vice versa. It wasn't uncommon for either one of them to be affectionate towards each other in private and sometimes even in public, and right now was about as hot as that affection could get with Shaggy's cock twitching inside his furry lover's slick, wet, tailhole.

Scooby felt a special kind of warmth from Shaggy's confirmation of love for his nearly lifelong canine companion. He happily and eagerly wanted to please Shaggy, and Shaggy wanted to do the same for Scooby. The two were inseparable, especially now with Shaggy's cock buried in Scooby's black asshole. Scooby loved getting fucked like this, and enjoyed it every time. He couldn't deny that he liked it, and that he enjoyed being taken by this tall, handsome, lanky, young man who loved him unconditionally.

The canine moaned loudly and grunted with every thrust, trying to keep up with the human's deep probing rhythm, which was becoming increasingly fast and powerful due to Scooby's own growing excitement at the sensations coursing through him. The warm spray of the shower cascading nearby, making the whole room wet and steamy, as Scooby pushed back hard against Shaggy's deep exploratory thrusts, feeling the hot hardness of his best friend's erection pounding against his ass as he tried desperately to meet his lover half way, groaning and panting as his sensitive prostate gland got rubbed raw and abused by the thick, fleshy length of Shaggy's meat stick penetrating his pulsing, slick, dog hole over and over again, sending electric jolts of pleasure shooting throughout his body, making his mind melt and his muscles tense up with intense desire.

"Ahhhh... Raggy! Rhease, don't stop!" Scooby groans as he starts bucking back against Shaggy's thrusts, encouraging the human to pound him with the full length of his pre-leaking cock in and out of his tender tailhole, forcing Scooby to grunt audibly as the roughness of their coupling sends shivers down his spine and causes his cock to twitch uncontrollably as the human fucks his canine companion while also stroking Scooby's aching, veiny, red rocket at the same time, massaging it roughly as if he were trying to milk all the fluids out of it in rapid succession. The Great Dane lets out another loud moan as the sensation overwhelms him once again, causing him to lose control of himself briefly, shuddering as he cums almost explosively, spurting copious amounts of hot sticky cum onto the tile floor beneath him, and spraying droplets of it everywhere as he bucks his hips wildly, howling out in ecstasy as he does so, arching his back and slamming backward slightly to try and force Shaggy deeper into him, as his tailhole muscles twitch powerfully and his insides ripple with the force of his doggy orgasm.

Shaggy couldn't hold back his release any longer, pounding every inch of his cock in and out of his lover's ass, completely pulling out with a slick wet sloppy sound before thrusting back in, and pulling out, and thrusting in, again and again, as Scooby's orgasm causes the dog's tailhole and anal muscles to milk the human's thrusting cock, making him moan out in ecstasy and slam home one last time, burying every inch of his veiny, eight-inch cock, balls deep into Scooby's asshole as they both explode together in a massive simultaneous orgasm!

Scooby sprays streams of steaming hot cum all across the bathroom tiles, coating them with blast after blast of Scooby spunk as Shaggy huffs heavily, grunting with exertion and letting out a low animalistic growl, pushing his cock all the way into Scooby's quivering ass until there isn't an inch left uncovered between them as the first few ropes rocket forth into his lover's ass, then pulling out with a squelch and releasing a huge load of creamy sperm directly onto Scooby's twitching tailhole, covering the canine's smooth, black, gaping, pucker and brown furry ass with globs of his seed as the canine shakes and convulses under him, still cumming as he tries to recover from his intense orgasm, his eyes closed tightly as he feels Shaggy's semen inside and outside his tailhole, then yelps pleasurably as he feels Shaggy hilt his cock back in his ass to finish up unloading inside him, moaning quietly as he continues to shoot load after load of his hot cum deep within the warm, tight confines of Scooby's tailpipe.

They both collapse breathlessly onto the floor, Shaggy's spent cock slipping out of Scooby's creampied ass as they both flop over, panting heavily as they catch their collective breaths. Their bodies, covered in sweat and cum, as they lay side by side, their chests rising and falling rapidly, gasping for air, breathing heavily, smiling widely and laughing joyfully as they revel in the shared intimacy of mutual orgasms.

Shaggy kicks a second shower handle that turns on the rainfall shower overhead, to wash them both off a second time, not wanting to get up just yet.

After a minute or two of recovery, Scooby looks over at his best friend, grinning broadly under the hot shower, and slurps happily at Shaggy's face with his big slobbery tongue. Shaggy giggles playfully and takes the Great Dane's muzzle gently between his fingers and kisses him deeply, lovingly, passionately as the warm water cascades down on them from above. The two continue kissing, sharing soft touches and gentle caresses for a few more moments until they finally pull away and smile at each other, happy and satisfied as the warm spray beats down upon them once again.

Shaggy then chuckles as he starts to sit up, finally clean for the second time tonight... Scooby doing the same... Shaggy reaches up and turns off the shower before they both laugh and excitedly say in unison, "Let's go get some PIZZA!"

Shaggy pulls open the door and steps out, grabbing a towel off the rack to dry himself off. Scooby follows behind, shaking the excess water from his fur as he dries off, as dogs often do. Shaggy goes to the closet in his room and grabs a clean version of his usual outfit and underwear combination and gets dressed in a single spinning cartoonish action, while Scooby is still in the bathroom, patting down his fur and gingerly putting his signature dog collar back on. Once done, they both step out of their respective doors, lock eyes, smile, and yell, "PIZZA!" as they then both scramble for the door, hop into the Mystery Machine van parked outside, and drive off to their favorite pizza place a few blocks away.