Gym Afterhours

Story by rui_lilsid on SoFurry

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For 21 y/o or older audiences only.

WARNING: Story contains disturbing subjects such as rape, gore and snuff. Do not read if you are upset by any of these.

Felix: fox. Marathon runner. 5'4" 105 lbs.

Pete: pitbull. Security officer/Bodybuilder. 10" 1100 lbs, cock length 18" diameter 4". Size shifter, but is unable to shrink under 10 ft.

Felix finds himself alone in the locker room after hours with Pete after both finished their workout. Both are super sweaty. Pete is pumped from his heavy lifting workout. Both undress and ready for the shower, but Felix is enthralled by Pete's huge body and tries to flirt with Pete without knowing the pitbull's rough habits.

Intro scrapped (who needs those anyway)... and right into the smut!

Pete is owned by bahamut6sic6 ( https://bahamut6sic6.sofurry.com/ )

Felix is mine.


...

They stood in front of each other, naked. Their fur glistened with dripping sweat from their workouts. The fox's ears barely reached above the massive pitbull's belly button; his muzzle would have lodged right between the canine's grapefruit-sized furry orbs had Felix taken a step forward. Pete's sweaty male musk overpowered Felix's own smells and senses, making him desire the dog even more.

With a hungry smirk, the large dog grabbed Felix and lifted him off the ground. The lithe fox let out a surprised yip at the abrupt boldness of the large canine. Two huge handpaws, roughed from years of body building, wrapped around his waist; thumbs as thick as salamis nearly met around the front of his torso as he was hoisted like a rag doll in the middle of the deserted locker room.

Pete opened his muzzle and enveloped Felix's with his jaws in a dominating make out attempt. The fox whined in the grasps of the massive pitbull, fearing he was about to get his face bitten off. He tried to push away, but his arms felt useless against the large canine's rocklike, bulging pecs and neck muscles. With Felix's face in his maw, Pete growled pleased, and began "making out." Felix felt suddenly short of breath as the dog's massive lungs sucked all the air out of him in a kiss too passionate for the small vulpine to handle. He felt his lungs burning and almost collapsing under the suction from the hulking brute... and then, it changed... Pete was blowing into him, and Felix felt the pressure increasing, his ears popping, his lungs overexpanding, his belly swelling, and his body trembling. He felt at the verge of popping. And then, the pitbull reversed and started erotically sucking on his face again. Felix felt as a paper bag inflating and deflating; his vision blurring, and almost passing out while Pete seemingly enjoyed controlling his toy's breathing at his whim in a bizarre and cruel make out session.

Felix was about to pass out when Pete pulled away. The fox's muzzle, his whole face below the eyes to his neck were dripping in viscous dog slobber; sore after receiving a whole face hickey. His ribs ached, and it hurt to take a breath.

"That was hot." Pete grumbled more to himself, still holding the fox by his waist.

"Please... that was... too much." Felix gasped for air. "I don't think... I can... keep... this up. Can we stop?"

Pete focused on his plaything in his paws, as if noticing the fox again. "Stop? We were just making out." His face slowly changed into a lusty grin while his thumbs caressed the fox's fur, perhaps a little too roughly. "We haven't got to the main course yet."

Felix's dick had retreated back into his sheath after the traumatic ordeal and his face was starting to convey a horrified expression. "What are you... talking about? You are being too rough... You are hurting me."

"Little things like you get me going." The pitbull chuckled.

The fox regained enough strength to attempt to struggle again. His wriggling felt pathetic in the iron grip of the behemoth. His arms and legs flailed and pushed against the sweaty furry wall of solid muscle, until his feet smacked something less chiseled but more phallic and slicker.

"I like my toys lively like this. Makes me hard as steel. Heh... heh... heh." Pete lowered his victim down, forcing his now rock hard malehood between the smaller male's legs until the little fox was sitting on his cockhead as it profusely produced thick globs of precum.

Felix felt as if he was being forced to sit on a slippery post as thick as an arm. He always liked big dicks, and back at the gym, he was enthralled by the massive bulge this monster pitbull was sporting. He thought earlier that it could actually be too big for him, but he had used pretty big toys before. What was lodged between his legs was in fact thicker than his biggest toy. As the behemoth's precum coated his underside with excessive amounts, Felix began to panic.

"No... please... you are bigger than I thought. I have never taken something this big... Please!"

The little fox's struggles in his large handpaws made Pete salivate, and his thick foot and a half of man meat harden to maximum strength, cock veins raging angry under its skin. Every flex brough forth a thick glob of precum that dripped down the girthy length and down Pete's sex-toy-fox inner thighs.

Felix felt his rear mashed against a blunt steel bar when the hulking, bodybuilding pitbull started pushing the fox's body down. "STOP..." he screamed... "It won't fit!" Hearing the desperation in the fox's voice only made Pete grin wider. Slowly, but steady, massive handpaws pushed Felix down, forcing the blunt cockhead between his butt cheeks. No clenching in the world would stop the mighty strength of the massive pitbull bent on using the small fox's body for his sexual pleasure.

And then, biceps the size of basketballs tensed under the sweaty fur of the dog's powerful arms. The fox bloodcurdling scream suddenly filled the room. With a pop, Felix's anal ring tore up, and a cockhead the size of a grapefruit broke in with a single shove. A deep moan of pleasure escaped Pete's chest when his cockhead felt the warm squeeze of a hole too tight around it, further rattling the shaky fox in his paws.

Seconds felt like an eternity of agony for Felix. His face suspended in a shock: mouth hanging open, tears dripping from his full eyes, his breath coming in and out in short gasps. Then, the pole violating his ass began pushing in again. The fox's little legs trembled, curled and stretched in every direction in a failed attempt to gain any purchase. "NOOOO... STOP... please... take it out" He begged for mercy from his almighty torturer, attempting to push away with his feeble arms, hitting the mountainous pec of the pitbull. The canine's rough handpaws held firmly and kept dragging Felix down around his thick, hard cock as if Felix's struggles weren't even there.

Pete moaned louder, enjoying the meager struggles of his toy. The massive dog slowly pushed his ramming tool deeper, relishing his victim's high-pitched screams, the small fox's shaking body with limbs flailing seemingly randomly in desperation, the violated anal passage gradually stretching to give way to his fuck tool. The tight insides of the fox futilely fighting the violating phallus kept pushing the large dog's buttons with every squeeze.

With half his mast buried in his fox-turned-cock-sleeve, Pete's predatory urges finally won and he let go of his control. His huge cock was made to kill, not to please. He released the fox's waist and wrapped an arm around the back of the smaller male. His other hand palmed the fox's head and buried the vulpine's muzzle between his sweaty pecs, locking him in place. In a single, powerful shove, the large dog arched his hips and buried the rest of his girthy schlong balls deep into his fuck prey.

Felix's screams were drowned between two mountains of muscle. The large handpaw wrapped around the whole back of his head, forced him to scream between his tormentor's boulder-like pecs. An arm as thick and as solid as a tree trunk was holding him in place so tight that another pound of pressure would break his spine. His insides felt like fire when the pitbull's battering ram of a cock bulldozed through his overstretched ass. The fox's insides were abruptly pushed aside to make way for the invading pole; the excessive amounts of precum this beast was pumping out did not help in the least. Poor Felix's legs were spread out, unable to close around the pitbull's monumental erection. A small trickle of blood dripped down the pitbull's furry sac from Felix's ruined cherry.

After a few seconds of enjoying the spasming insides of his cock sleeve, Pete started to pull out halfway before ramming his steel pipe back into the screaming fox in a single motion of his hips. The pitbull picked up in speed, letting out deep moans and groans of pleasure, ignoring the fox's chilling screams of pain since, clearly the behemoth's pleasure was the only thing that mattered. Pete continued reaming his prey's ass with the power of a truck, flexing his biceps and pecs with every thrust, eliciting different cries from his victim with every squeeze.

Felix was in hell. He could barely scream, held down between the bodybuilder's pecs: what little breaths he could muster were testosterone-laced male musk. The fat log spelunking his anal passage felt like it was bruising his guts, pushing them aside. Every few thrusts, the mountain of pec would flex and tense up, squeezing Felix's head in between until his ears felt like popping, before letting go. The fox's lean arms kept feebly pushing against the immovable wall of abs muscles squashing him, letting out weak yips with every painful plunge of cock. The brute's cock relentless battering right under his stomach with every bestial thrust, made Felix be sick.

The stimulation that the pitbull was gaining from a hole too tight for his power tool was starting to feel like too much and driving him over the edge. "Oh... fuck... I'm nearly there..." His deep voice rumbled through the locker room. Pete had discovered that the bigger he was the more intense his climax, so as he would get close, his macro instincts would kick in.

The cock would go out, and back in, then out, and back in again, but this time, it felt deeper. And with each pound, Felix felt it buried further into him. He gasped in shock. The large handpaw behind his head let got. Felix pulled back from the oppressive furry chest muscles and thick male sweat and looked up at the pitbull's face. Pete pulled his thick hog halfway out of the fox and looked down at his plaything's surprised expression.

"It... it... it can't be..." The fox weakly cried out as he saw the large dog's toothy grin, the canine's muzzle slowly enlarging and pulling away up. The already hulky beast was slowly growing larger. "P... please... no." The fox mouthed the words.

Pete rammed his cock back in and continued fucking his toy away, getting slowly bigger with each thrust, deep lustful groans shaking the walls.

The next thrust, punched deep into Felix's abdomen with a cantaloupe-sized cockhead. Without the silencing of the powerful pecs, the fox resumed screaming loudly; the screams seemed to fuel the huge dog's arousal and his desire to grow faster.

The growing male organ felt like a bollard post was being forced in and out of the agonizing fox. With a painful crack, Felix's pelvis shattered, yet the giant pitbull's battering ram kept coming and growing. The monstrous cock was banging right under the little fox's rib cage with increasing force, pushing his organs aside to make way for its unyielding size, overloading his pain receptors... or was it destroying them? Either way, the excruciating pain seemed to turn into numbness on and off, or maybe Felix was going in and out of consciousness.

At 15 ft tall and with his prey now impaled by his mighty doghood, Pete grabbed the fox's body with a single huge handpaw and fervently jacked off, using Felix as a fleshlight.

As the massive pitbull reached his climax, his massive body hit a major growth spurt, hulking out. In his last moments of consciousness, Felix felt what seemed like a tree trunk tear forth, bursting through his neck. A sound like fresh wood breaking up resonated through the locker room as the doomed fox tore apart. His battered and deformed body could no longer contain the immense dog cock inside and exploded.

A haze of blood sprayed the lockers, walls, ceiling and the massive pitbull, as Pete had grown from 15 to 25 feet tall in a second, literally tearing through his sex toy with his cock, killing his plaything. A loud howl shook the lockers in the room. Pete beachball-sized nuts started pumping in overdrive as a spray of cum erupted forth, smashing the row of lockers in front of the gargantuan cock, followed by a barrage of several gallons of cum bursting forth with more force than a firehose.

A foot of cum was flooding the floor of the locker room. The walls had cracks like cannon ball impacts where the bursts of giant dog cum had hit. Few lockers remained standing, covered by dripping globs of steaming spunk, the rest were smashed like tin cans, either by the impact force of the cumshots, or by Pete finally stumbling backwards and crushing them under his 25 ft tall wall of muscles, as he laid on the floor enjoying the afterglow.

The giant pitbull ran his handpaw over his half-hard cock and pulled off the mangled pelt of his plaything; it looked like a pathetically small rag covered in cum and blood in his mighty paw. "That was a good fuck." Pete mumbled and casually popped it in his maw. "Fox do make the best cum rags." He chuckled and began chewing as if eating beef jerky.