Rule 34 Dev - anthro bag balls big_balls black_penis boner bored bottomless brown_eyes brown_hair canine cervid cervine clenched_teeth clothed clothing deer dimi donkey equine erection exhibitionism exposed exposed_balls exposed_penis feline frustrated fully_clothed genitals hairless_balls hand_in_hair hi_res horny humanoid_genitalia humanoid_penis inside lagomorph laptop lecture lecture_hall lynx male male_focus male_only no_underwear partially_clothed penis public public_exposure public_nudity rabbit retracted_foreskin sitting skully students university unwanted_erection wolf|7100698240