In The Name Of Science!

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When he returns from his bedroom a few minutes later, Toby sets up on the table and takes a seat to return to his studies.  The dog’s moving around the sunroom sniffing everything still.  The brown-haired teen occasionally glances over making sure the dog isn’t getting into trouble.  Suddenly, Toby notices Bandit has a massive set of balls.

God, they’re even bigger than mine,’ Toby thought and grimaces.

The furry balls hang down in a sack and swing back and forth, as Bandit moves.  The dog’s balls are like two large oranges in a furry bag.  He starts admiring them because they are attractive in their own way.

Jesus, what’s wrong with me,’ he thought.  Toby tries to go back to studying, but before long, he’s staring at those giant balls again.  ‘I wonder what they feel like.’

The urge to touch them becomes overwhelming, so the teen calls the dog over.  Bandit quickly comes with tail wagging and bright eyes.  Toby’s sitting in a chair, and he starts petting the dog on the head with his left hand.  Then with his right hand, Toby slowly slides it down the German shepherd’s back to the tail.  The teen then slowly moves his hand under the dog’s tail and gently touches its balls.  The dog doesn’t seem to mind, so Toby cups Bandit’s balls in the palm of his hand.

The teen starts feeling them, as he does the dog enjoyed the sensation because Bandit turned its butt toward Toby to give him better access.  Toby fondles Bandit’s balls for a good ten minutes until he notices the tip of the German shepherd’s cock sticking out.  It appears like a little red lipstick.  The boy finds it gross and revolting but continues to fondle the dog’s balls.

I wonder what it’d be like to let a dog fuck me,’ Toby suddenly thought.  ‘I’ve been reading about all these deviant sexual behaviors and bestiality is certainly up there in the top ten.  Maybe this is my chance to get some practical experience.  No one will be home for hours.’  As the teen continues to fondle those big furry canine balls, he seems to come to a decision.  ‘OK, let’s do it,’ he thought.

He gets up and locks the wooden sliding doors to the sunroom.  Then he kicks off his runners.

“God, this is gonna be so gross,” Toby said watching Bandit who sits staring at him wondering why the teen isn’t fondling his balls anymore.

Toby pulls his shorts and underwear down in the same motion and slips them off, throwing them on the floor nearby.  His five-inch flaccid cock bounces free.  Unlike the dog, there’s no fur on Toby’s genitals.  Like many males his age, he likes the smooth look and only last night used the hair removal cream, so they’re notably hairless this morning.  He slowly goes over to where the dog is waiting and watching, the panting tongue lolling in out of its canine muzzle.  Toby gets on his knees on the carpet and stares at the dog for a moment.

“I never thought in a million years I’d be offering myself to you, Bandit.  But I want you to know I’m only doing this for science,” Toby explained to the clueless dog.  “I should have you know that I’ve had a cock in my asshole before, several times actually, so don’t get any grand notions you’re taking my cherry.”

He slips down to his hands and knees and crawls slowly to Bandit.  Every inch closer only increased his curiosity.  Toby comes face to face with Bandit, who gives him a friendly lick and turns to the side, revealing his now half-exposed red cock.  Toby leans in, smelling the dog’s sex, its stench overpowering and enticing.

“Phase one, the blowjob,” Toby said trying to be empirical

Toby starts slow, flicking his tongue on the tip, licking the entrance to Bandit’s cock, the dog loves this, and the teen knows it.  The teen licks up and down the shaft, taking in the strange scent and taste as he does, lightly scratching at the dog’s large ball sack.

“You like this, don’t you, Bandit,” Toby said hotly.  “Well, I’m considered quite the cocksucker on campus, but don’t tell my parents.”

The dirty talk with Bandit makes Toby feel nasty and downright slutty.  He makes a mental note of those feelings, wondering if this is the clue to sexual deviancy, how it makes the participant feel.  Not just the sexual release, but also the feelings generated that lead to it.

“Interesting,” Toby said.  “I can’t wait to see where this goes.”

The teen’s cock twitches hard, and his balls tighten.

Focus, Toby,’ he thought. ‘You’re doing this for science, not for pleasure.’

He quits with the foreplay and gets to it, Bandit’s cock is now almost entirely out of the sheath, and Toby is nearly a professional cocksucker.  He spits a big wad of saliva onto Bandit’s cock a few times, making it beautiful and slimy, then wrapping his hands around the thick canine cock, the teen works his spit all over the big red, tapered shaft.  As Toby jerks Bandit’s shiny cock, he swallows the head and half the shaft in one quick gulp.  Bandit doesn’t even flinch.

Toby takes the fat cock into his mouth as deep as he can, working his tongue along the veiny red shaft as he jerks the rest of the cock and rubs the dog’s balls.  Toby has to admit the feeling of Bandit’s big cock stuffed in his mouth is fantastic.  He loves every minute of it.  Toby goes into slut mode, furiously working Bandit’s shaft and balls with his wet mouth and hands.  He can feel the knot growing to the size of a baseball. The dog’s ready, and so is Toby.

With a final deep suck, Bandit erupts as if a cannon in Toby’s mouth firing stream after stream of tangy, slimy, watery dog semen down the teen’s throat.  The brown-haired teen loves it.  Bandit’s hips are fucking Toby’s mouth as the dog erupts, and makes the man choke/gag several times.  Toby likes the sensation, and pushes his head deeper, making himself gag, and forcing tears from the effort he’s exerting to keep pace with Bandit’s furious humping.  Some relief comes as Bandit withdraws the mighty cock from the teen’s greedy mouth, and stands panting and licking his doggy chops with satisfaction.  The teen notices Bandit’s cock is still spurting small jets of semen and decides not to be wasteful, so he lightly grabs Bandit’s cock and directs the final sprays into his mouth.

Eventually, Bandit pulls away and sits in a corner to lick its slowly shrinking red cock.  Toby sits on his knees wiping his face with the sleeve of his shirt.  Then he sees his own eight-inch boner jutting from his loins, the head wet with pre-cum.

“Wow, I enjoyed that,” Toby said with eyes that glow.  “Doing something so taboo, so outrageous like that was wild, I feel light-headed, drunk with lustful urges now.”  He wipes his mouth.  “Dog semen tastes so different from a human male.  It’s kinda coppery and watery.  I wonder if I can get him to fuck me now.  Maybe I shouldn’t have sucked him off until he came.”

Toby pauses for a moment and takes a deep breath, then said to the dog, “Hey, Bandit, you want some ass.  Come and get it.”

Then Toby gets on his hands and knees in the doggy position.  Then he wiggles his little round ass as he offers himself to the dog.  The teen nervously waits as the dog gets off the floor.  Bandit moves behind Toby sniffing him.  The teen grabs his ass cheeks and pulls them apart to expose his puckered anus to the beast.  The German shepherd gives his asshole a few licks, running its tongue over the boy’s hanging balls too.

Toby gazes over at Bandit and sees the dog’s red cock is erect again as if it knows what’s coming.  Bandit is ready, and the way the dog licks Toby’s puckered anus is the same way he would lick a bitch’s pussy before mounting her.  The teen figures with a little coaxing, he can get Bandit to rim him for a while, and when ready, take that canine cock in his asshole.  However, Bandit has other ideas and pounces as if a starving wolf on the first piece of meat it’s had in ages.  Before Toby can even gasp, Bandit is on top of him, laying its canine weight on the teen’s back, paws clawing at his side.  Toby feels the tip of Bandit’s massive, swollen cock probing for his waiting asshole.

No, Bandit, no, not yet, I’m not ready yet,” Toby shouts surprised at the German shepherd’s response.

He had figured it’d take a lot to get the German shepherd to have coitus with him, as the act would be unnatural to the animal.  However, Bandit doesn’t care, it’s too late, and Toby suddenly feels claustrophobic, his heart is pounding, and he’s so dizzy he sees black spots.  Bandit finds the target, and drives all eight inches of dog cock to the forming knot, deep inside Toby’s tight asshole.

AHHHHHHH, Bandit, stop, you’re tearing me in half.”

However, Toby’s pleas go unanswered as Bandit continues to fuck him from behind without mercy.  The teen can feel every inch of the huge cock inside his body, rubbing his prostate, throbbing and twitching, and pushing against his diaphragm.  Toby has never felt so full in his life, even after a big meal, his stomach so stuffed with cock.  After a while, the pain starts to subside as his anal sphincter relaxes, and Toby begins enjoying the assault from this beast.  He even moans, pushing back against the dog’s knot, and with a few big pushes from both, Bandit’s knot sucks into Toby’s asshole making the teen climax so intensely he nearly passes out.  Toby’s semen shoots onto the tiles, and with eyes clenched shut he sees stars.  However, Bandit is far from finished.

Bandit’s dog cock feels big, it’s as if someone is fucking him with a baseball bat.  Toby looks beneath to see Bandit’s balls slapping his own, the pace is slower and more rhythmical humping compared to the frantic fucking on initial penetration.  The dog grips him firmly with its front legs, as the beast drives the massive cock and knot inside Toby’s warm insides.  The knot catches, so when the animal withdraws, Toby feels his anus stretch so beautifully around the baseball-sized protrusion.  The knot doesn’t come all the way out but pulls free enough to make the anus stretch madly, then on the following thrust, Toby’s body washes with leg-weakening tingles as his anus snaps back around the shaft again.  Their bodies move forward with each powerful thrust, and Toby moans loudly with his head low.  The sound of Bandit panting reverberates inside the sunroom, the dog’s lengthy tongue hanging out of its mouth as it drools on Toby’s back.

After what seems an age, Bandit slows, and the German shepherd’s movements become jerky.  Toby feels something warm filling his belly.  It’s the familiar feeling of a male filling his bowels with sperm.  However, this is different; the sheer amount pumped into Toby is unlike anything one of his male lovers could do.  The teen’s asshole is filling to the brim with Bandit’s hot doggy sperm, and he loves it.  Toby can see traces of semen and blood running down his inner thighs and off his hard cock and knows Bandit has ripped his ass, yet he doesn’t care.

This is the most amazing sex he’s had.

Bandit has stopped now, as the dog unloads its balls in Toby’s bowels, the teen can feel the mighty phallus throb, buzz, and pulsating in his belly.  Eventually, Bandit jumps off Toby; however, the knot is still too large to pull free, so they lay ass-to-ass on the tiles.  Toby thinks this is the best part of the experience so far, to lie there with a pulsating cock stuck inside his asshole, owning him.  He’s awestruck at how great it feels.  After at least twenty-minutes, Bandit’s cock pops out of Toby’s asshole, followed swiftly by a flood of the dog’s sperm.  The savory juice flows out of Toby’s asshole as if pouring champagne.  Bandit gazes over at Toby, with a tired yet satisfied look on its canine face.

“Who’s a good boy?”  Toby moans in his sexiest voice, “Let me take care of you, boy.”

With that, Toby again has Bandit’s big cock in his mouth.  He loves how dirty he feels because he’s cleaning the sperm off the dog’s cock that just fucked his asshole.  After the teen finishes, licking every drop of semen from Bandit, Toby lies on the floor for a few moments thinking about what happened.

That was fucking amazing,’ Toby thought, still panting from the wild sex he had with the dog.  ‘Why is it the most taboo sexual acts are also the most pleasurable?  Maybe that’s why society looks down on bestiality, out of jealousy.’

After lying there for a while to gather his strength, Toby gets to his feet, heads to the bathroom, and takes a shower.  His anus hurts.  Not any cock previously encountered as the campus cockslut stretched him this much.  Sure, he’s had longer cocks fuck him before, but none could compete with a knot the size of a baseball.  When Toby has cleaned any secretions left on the tiled floor from the unnatural coupling, Toby returns to studying.  His anus smarts as he sits on the chair.  The teen glances over at the dog that’s lying on a rug sound asleep.

I guess that’s one way to keep you quiet,” Toby said to the sleeping dog and follows this with a chuckle.  “Most humans wear out a dog by taking them for a walk, not by fucking them.  You certainly got lucky today, Bandit.  But this is a one-time deal, got it.”

Toby gets back to writing his paper, adding several insights he learned from his encounter with Bandit.  The day passes quickly, and eventually, the front doorbell rings.

*****

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