Sewer Shark

Story by VarinRooBat on SoFurry

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Jake spends the night alone in the sewers as part of initiation into his fraternity. It becomes apparent very soon that the possum is not the only creature inhabiting the sewers tonight.

CONTENT WARNING: This story contains a lot of gross things! Not limited to belching and scat! If that's not your thing, then turn back!


Sewer Shark

Initiation. Hazing. Dares. An innocent college prank. It went by many names, but in the end was all the same.

The frat house of Gamma Alpha Upsilon had a strange tradition it liked to put its newest freshman through, whether as a form of torturous cruelty, or stupid fun, the origins of this tradition seemed to have been lost to time. It only carried on for the simple fact that the senior members of the house had to go through this trial themselves.

Regardless of the origins, it was too late for the next contestant to back out now. Jake, a scrawny little possum, found himself staring down the deep, murky depths of an opened manhole, surrounded by his peers that had pressured him into this.

The challenge had become easier in recent years, and simply had boiled down to a night in the sewers. From 6 PM to 6 AM, the reeking walls would be the initiate's home. That was it; no thievery, no booze, no bashing. Just one night alone in the underside of the city.

"Don't get lost, cutie." The declared leader of the fraternity said to him in a playfully contemptuous tone, before the possum disappeared down the manhole off a derelict street corner, starting his descent into the cavernous depths below.

Once down below, the possum reached into his back pack, and switched on the flashlight he had stashed away. While the sewers weren't completely pitch black, he did want to at least see in detail where he was going. That being said, he did come specially prepared for this with necessities one might bring for a sleepover at a friend's house with some extra tools. A blanket, some snacks, and a book to read alongside a lantern.

Jake found the undersides of the city to be... strangely serene. His new surroundings were oddly quiet outside of the occasional dripping from the condensation that had coalesced on the concrete tunnels that linked the city's foulest waste together. The noisy world above dulled into soft melody down here. Right now, the only thing he wasn't fond of was the acrid air permeating his nostrils. A mask would've helped plenty, but any sort of filtration was prohibited by the frat. They wouldn't want him enjoying his time in the sewer, would they? Bastards, he thought to himself.

However, being an explorative little creature, Jake decided to explore around a little bit. He's never been down below in the sewers before, and wanted to see what he could find down here. He had expected to find nothing but old concrete tunnels, and old rusty pipes... and that's what he found for the most part. But an occasional rumble would emanate from the walls, and a thick slurry of sludge would erupt from a pipe and add to the messy pool of liquid gunk down below. He didn't need a refresher on what that sludge was, the visual was telling in and of itself.

He turned his head back up and continued walking forward with his flashlight illuminating the walls, but quickly turned his head back. He thought he heard a vigorous suckling gurgle, followed by splashing in the refuse down below, but by the time he turned his flashlight downwards to investigate, he found nothing. Jake chalked it up to just the sewer's automated, but aging systems doing their jobs, and continued on.

The possum must have been walking along a branched off pathway on this grand sewer system for hours now. Every couple hundred of steps or so, the path he was walking upon would branch off, with an occasional bridge allowing him to cross without plunging himself into the mucky mire below. He noted the occasional ladder upwards with a sign noting surface access, which gave him slight relief. At least knew he wasn't getting lost down here.

_ *GHRUHHLLLCHH...* _

That sound stopped Jake dead in his tracks, mainly due to the fact he couldn't identify what the source of such a sound was. Even if it was machinery, it was quite the interesting sound for something mechanical; it almost sounded like a burp. Even then, it didn't explain the light ripple cascading through the filthy water down below.

Jake was clearly showing slight signs of nervousness as he curled his tail up and around his body, clutching it in his paws. He turned another corner along the vast catacombs that networked the city's vital pipes together, and found himself in a larger, more open network of tunnels. It was like the tunnels were intersecting each other in this part of the sewer, almost forming a central hub that spread off into other musty tunnels. From the distant whirring he could hear, and the visual of the pipes pumping putrefaction into the polluted lake below, one could only assume he was below a sewage plant, or an airport. Jake paused for a minute to commend whoever may have had to plan and build all these tunnels out.

_ *BHRUUUHHHAARRRLLLCHH *_

Jake perked his ears up upon hearing that sound again. It was more defined now, signaling that the source of whatever was making this odd sound was definitely closer. There were two things clear to Jake now; that wasn't machinery making that rude noise, and he definitely wasn't the only inhabitant in the sewer tonight.

That's when he saw it. There was something swimming underneath the foggy, filth infested waters. Jake only caught a vague idea of its mass before it swam off down a tunnel, but it looked massive, and sported a fin that breached through the surface of the water down below. Thankfully, it didn't seem to register Jake on its radar, which allowed the possum to breathe another sigh of relief. He made a note to slide down one of the tunnels opposite of the one it came from.

The possum continued to wander down tunnel after tunnel for what seemed like hours. However, he never worried that he wouldn't see the surface again. Every tunnel had a familiar ladder with its accompanying "surface access" signage, which brought a sigh of relief to the possum. If it hadn't been for the differing ladder numbers adorning the signs, he also would of thought he was walking in circles.

Eventually, Jake found a spot to set up camp for the night. A strangely cozy alcove in one of the tunnels amidst a grouping of pipes that carried filth to and fro. The occasional rumble of the pipes was oddly soothing to the possum, as he settled down in the alcove under his blanket, pillow propping his back up against the wall. He couldn't imagine getting too much sleep in the city's underbelly, and figured he'd take the time to catch up on a book he was reading. He also took this opportunity to check the timer on his phone.

"Roughly seven hours to go..." He mused to himself.

The concrete walls of the tunnel that Jake settled his back against were surprisingly dry, which took the possum by surprise. It wasn't something his mind mingled on for too long as he reached into the sack that he brought along with him, and cracked open the book he had been reading through for the past week. An easy to read story about life in the restaurant industry, told from the perspective of a head waiter at a high dollar restaurant in New York.

He was about half way through the book at this point, and due to the writing style, was able to blow through chapters and the hours with ease. Occasionally, a gurgle from the pipes and a distant, steamy KACHUNK from the machinery automating the sewers brought his eyes up from the lantern illuminated pages, but he had soon learned to ignore them.

All the walking that Jake had been doing earlier from tunnel to tunnel must of really tired him out. Now that he had taken a moment to relax, and sit himself down, he could feel the tiredness and lethargy creeping on in. He initially fought against it, insisting to himself that he stay awake for as long as possible, but the wonderfully heavy sensation eventually won over. He dog-eared his place in the book before pulling the blanket over his head, sliding into that deep, blissful sleep.

However, the nap didn't last nearly as long as he had hoped. The possum was hoping that he'd be peacefully awoken by the gentle chiming jingle of the timer going off on his phone. Instead, he was slightly jarred from his slumber with the sounds of gurgling suckles, and a bassy, almost pleasured sounding whisper.

As much as he didn't want to look, the burning curiosity tore at him, and it eventually got the better of him. Slowly, Jake pulled down the blanket past his eyes to finally see what the source of those mysterious sounds were.

It was huge. Even though the creature was only illuminated by the dim lights that punctuated the walls of the sewer, Jake couldn't mistake the size of the creature nearby. It had to have been at least double his own meager size! It was big enough that it was confined to the sewers he was intruding in on, but not big enough that it ever had any difficulties navigating the swampy corridors it inhabited.

From what Jake could see from the dim outline of the creature, it looked like it was some sort of a mutated shark, but he couldn't say to be certain. His knowledge on sewer monsters was minimal at best. All he could really do at this point in time was watch in both bemusement and terror as the creature carried on with its business.

It didn't seem to notice the possum at all as it raised more of its bulk from the swampy depths of the filth river below, looming over the guard rail in front of Jake now. It either didn't notice Jake, or simply wasn't concerned with the small creature's existence. It lifted up its webbed hands; perfectly adapted for both swimming, as well as grasping things, and grabbed for an open ended sewer pipe. It soon wrapped its lips around the end of the pipe, inhaling whatever contents it may have issued with reckless abandon.

While it mindlessly sucked on the sewer pipe, it did give Jake a moment to observe the creature as it unknowingly displayed itself to him. Monstrous was definitely an apt descriptor for what Jake was looking at, but upon closer inspection, it all but confirmed the creature was shark-like in nature. Surprisingly, its body was mostly free of filth, aside from it's forearms that it used to shovel shit into its mouth, and a few other extremities.

Jake couldn't help notice the tremendous boulders that adorned the shark monster's chest, which were only getting filthier and filthier by the second. It seemed the shark had finally found a pipe that outmatched its immense swallowing capabilities, not that it seemed to mind. Even with the utter volume ejecting from the pipe, and bulging out its throat, it didn't dare remove itself from the foul drain. Jake watched as the viscous slurry of shit sludge dribbled from its lips, and landed on its tits wetly, before rolling down further over its fattened stomach.

The beast's belly gurgled and churned ominously, and Jake could hear it from his slightly sequestered stall in the sewer. Every laborious gulp that the shark-thing made against the pipe sent visible vibrations echoing out from its capacious stomach, sending ripples throughout the contaminated waters beneath it.

For Jake, it was like a watching a car accident; he wanted to look away, but couldn't. He was forced to sit as still as he could and watch as the creature lifted itself up further against the shit pipe, drawing more of it between its lips. It held the pipe deep in its throat, as if to give itself a direct injection of detritus right into its massive boiler of a stomach.

Several more moments passed, before it finally released its death grip on the pipe, letting it draw from its throat, slicked with saliva, ending it all with a resounding, deafening...

_ *BHHUUUURRRRRAAAAAAWWWWWWLLLLUURRCH!!* _

Jake instinctively covered his ears as the shark rumbled out one of its seemingly trademark belches, and even then, his ears were still ringing.

He felt like a voyeur as he pulled his blanket up close to his face, which left his eyes peeking out from the safety of the cover. He couldn't help but watch with sick intent as the monster rose its bulk up further. Those hefty arms extended upwards to grasp at the multitude of pipes fastened to the ceiling above. The tips of its fingers touched along them gently, as if to feel both the rumbling within as well as temperature. That seemed to denote intelligence; it wasn't stupid, but mindlessly HUNGRY, and knew how to hunt for its very specific diet as it eyed the pipes with intent.

Eventually, the brutish creature landed its grip on a pipe it liked, and wasted no time. Its other hand reached up to join it, before effortlessly pulling down a pipe that carried raw waste from a sewage treatment plant. The straining of metal and shattering of rivets echoed throughout the tunnels, with the ensuing, staggering mess encompassing the immediate area in filth and bile.

The pipe blasted the creature in the face with liquefied excrement, and while the smell would have been revolting to any surface dweller, to the beast of a shark it was as pleasant an aroma as a freshly baked pie. As its nostrils filled with the noxious fumes, its whole body shook in anticipation before dragging a now muck covered finger across its lips to sample the nauseating flavors it offered.

Once the beast had finished sampling the gushing offerings of the pipe, it went back to work. Its powerful arms contorting the pipe into a position it was most comfortable with it being in; situated right between its own monstrous chest. The pipe was easily smothered against the undeniably soft bags of fat that the creature carried upon its chest. Whether or not those were truly breasts, or just some strange form of ballast would forever be an unsolved mystery, but the shark-thing seemed to enjoy feeling the rumble of the pipe as it blasted out putrefying matter onto its face, which then gushed downwards to soak across its chest. It rocked the pipe back and forth with the guided motions it made using gentle sways of its chest, while an occasional lick of its lips gave the monstrous creature another sampling as well as more surface area to be recovered by the spouting pipe.

Occasionally the shark would lash its lengthy tongue outwards to taste the malefaction as it erupted from the pipe, before swirling its lips across the edge of the opening once more. Settling into a steady rhythm, the creature's breathing started to slow, and it focused on little more than just sucking, swallowing, and titfucking the pipe it had nestled between its chest. Its throat bulging out generously from the excessive amounts of mixed piss and shit only to gulp it down without a thought or care in the world. To the creature, this was its purpose, this was all it needed to concern itself with.

Jake remained silent during all this. While he was no longer feeling the petrifying fear he was earlier, it was slowly being replaced with something new. He didn't know how to describe it, but he just couldn't keep his eyes off the monster as it continued to gulp down its dinner. Naturally, he was fixated to the sewer predator's chest and stomach, with his gaze danced over the rest of creature's body as it glistened wetly with grime and gunk. The way it all dripped off his body was... alluring to the possum to say the least. The buildup of detritus had to have been playing tricks on his eyes as well, with the presence of bulk between its legs giving only the vaguest idea of genitalia. He couldn't tell if it was merely a meaty cunt, or a lengthy tool between its legs. Whatever it may have been, it was huge, and matched the creature's overall size.

The sewer monster on the other hand only seemed mildly satiated for the time being, and with a few more throat expanding swallows of rubbish filling its belly, finally decided to pull its lips free from the pipe. Like before, a gurgly churn could be heard rising up from within the beast's stomach, before erupting with a monstrous...

_ *BHHHWWWAAARRLLUURRP!* _

That belch had sent the possum scrambling under his blanket once again to try and escape the sound, which had in fact, deafened him a little bit. He found that he could still hear as he lifted his head from the blanket again, just not as well. Once again, he turned his attention towards the monster, which seemed to have taken a moment underneath the busted pipe that was still discharging filth and foul. From what Jake observed, the creature seemed to be "washing" itself in the filth, with a webbed hand brushing the raw sewage over its tits, belly, and body. Pretty much anywhere the monster could reach, it tried to stuff slop and swill into.

As the creature finished with its shower, and licked the filth from its lips like a child eating ice cream would, it slowly started to retreat its bulk back down into the murky depths below. The monster's tail fin and powerful legs working in unison to rocket the bulky creature down the tunnel at breakneck speeds, with the swamp waters below responding to such a disturbance with a tsunami of sludge washing up over the tunnels pathways. This left Jake and his belongings soaked in the viscous waste, almost like a parting gift from the monster that never even acknowledged his existence.

Now Jake was left alone in the sewers once again, covered in the shit of thousands, and barely able to process all that he just witnessed. Did he really see a 12 foot tall sewer shark? Did he really watch it guzzle down shit like soft serve ice cream? Did that monster really have tits that could crush a car and a belly to match? Was he really turned on by all this?

He tried to explain it all in a myriad of ways, and kept returning to the idea that he had been dreaming. After all, he did see it all shortly after waking from a nap. However, his justifications soon turned to frustration as he disproved himself fairly quickly. If it was a dream, then why could he still hear it belching off in the distance? Why was he covered in sludge?

His intense concentration underneath his soiled blanket was suddenly shattered as he heard the sharp, lilting tone of his timer finally going off. He took out his phone to turn it off, and then promptly checked the time. It was 6 AM, and his time in the sewer was over. Part of him wanted to stay down here, and see if he could find the creature again, but he was exhausted, and covered in shit; he didn't want to get mistaken as a snack for the shark and risk getting eaten! He didn't even bother to try wiping himself off before gathering his things together and ascending up the nearest surface access ladder he could locate. After all, what would he even clean himself with? That would have to wait until he was back home.

Day was just starting to break on the surface as he peeked his head from out of the manhole outside of a coffee shop. A small congregation of people were lined up outside, waiting for the shop to open to get their morning fix. Small murmurs whispered between people in the crowd as they saw just what the poor boy was covered in.

A variety of stares greeted Jake; some embarrassed, some disgusted, some sorrowful. Yet they all kept distant as the possum made his way through the crowd. Fortunately, he recognized this part of town, and his dorm wasn't too far.

Aside from that little gathering outside of the coffee shop, Jake didn't see too many people on his way back to the dormitories. Those that he did see kept their distance, or gave a disgusted glare. But the possum didn't seem to care all too much. He bit down on his lip, and reached down to give himself a tenacious squeeze. The throbbing erection hidden away in his filthy jeans showed his true passion and ardor for what occurred.

He definitely had to come back soon.