FURVERT!

alternate_species alternate_universe animal_genitalia animal_penis anus backsack balls big_balls black_balls brian_griffin british_horse_brian_(family_guy)butt darkened_balls darkened_genitalia equid equine equine_anus equine_genitalia equine_penis erection family_guy feral flared_penis fur genitals horse male mammal medial_ring penis raised_tail solo tail tail_anus tbfm thick_penis union_jack white_body white_fur