FURVERT!

anthro anus backsack balls big_balls biped blue_eyes brown_body brown_fur butt digital_media_(artwork)equid equine equine_anus facial_hair fur genitals hooves horse ifus looking_at_viewer looking_back male mammal nude penis penis_backwards perineum presenting presenting_anus presenting_balls presenting_hindquarters puffy_anus raised_tail smile solo tail white_body white_fur