ambiguous_fluids animal_genitalia animal_penis anthro bdsm belly bondage bound brown_body cave dripping equine_genitalia equine_penis flared_penis genitals green_tentacles leaking_juice lying male mane medial_ring on_back penis slime solo tentacle_around_arm tentacle_around_leg tentacles white_belly clawsome equid equine horse mammal absurd_res hi_res