Ultimate Furry Crossover: An Adult Choose Your Own Adventure Entry 14
Get them angry - _really_ easy to do - or otherwise excited, and they'd usually fall into atavistic behavior fast. easy pickings, as long as you kept your distance.
Cherry Pop Party Part 1 of 2
Only the willpower of the adult participants kept them from sinking into atavistic mating instincts, pouncing each other in the quest for holes to fill.
Wreck
It was primal, atavistic. one hard cock. one tight, warm hole. every time after he pushed in, renaldo would clench just before he pulled back out, squeezing his entire length.
Firefox Chapter 06
Of course, then she might have gone hysterical with fear after going atavistic. he circled her, looking at tits and ass and tail and hair and never seeing a woman. he pointed with the cigar. "are her boobs natural?
The Romancing of the Beast
~i have my own canon for lycanthopy: it's an atavistic viral infection that rewrites dna on the cellular level. with zero magic involved, that puts limitations on it. like, being able to transform back and forth doesn't make any biological sense.
The Lady Was Red
“contrary to popular beliefs," carmine drawled as he went to a nearby wet bar and mixed himself a drink, something with a strong herbal scent (morphs stayed away from alcohol for fear of going atavistic; cutty's usually only served booze to human visitors
Firefox Chapter 05
She felt it in her loins, tickling her lightly, knew the atavistic parts of her body were preparing themselves for mating.
What's Good for the Goose
It was an atavistic nightmare, a being of destruction. he fled as if some vast and ancient predator had spotted him, and would destroy him if he stayed. the gate was stuck, and he moaned in panic when it wouldn't open, limbs shaking.
James and The Jock II - Tutoring Assignments
James asked, feeling an atavistic shudder race along his spine as he thought about what he was talking about.
Research
Indeed, since she had devoured friend clint's seed-rag, she'd not known a single moment free of that true, deep, atavistic panic. had she found her sooth-thing? were her fascinating experiments with friend ran at an end? she hoped not.
Tutor II - Repairs
But he strove on, finding the atavistic fear fading, the voice of rationality and heteronormality gibbering in his mind fading to a static white noise. it was slowly being replaced with something else.
The Santa Trap
Going atavistic is one of our biggest fears. nostrils flaring, i got another good, long whiff of rudolph's penis. mmm, yeah, _that_ was the good stuff!