FURVERT!

absurd_res animal_genitalia animal_penis anthro balls big_balls equid equine equine_genitalia equine_penis genitals hi_res horse huge_balls hyper hyper_balls hyper_genitalia infection infestation infesticles inflation male mammal parasite parasite_in_urethra penetration penis solo tafy_tail tentacle_penetration tentacles urethral urethral_penetration worm