Rule 34 Dev - abs anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anthro anus areola balls bodily_fluids butt collar collar_only dildo equine_anus equine_genitalia equine_penis erection eye_scar eyebrows facial_scar fur genital_fluids genitals hay hay_bale hooves legs_up male medial_ring muscular muscular_anthro muscular_male navel nipples nude open_mouth open_smile pecs penis pose precum presenting presenting_hindquarters puffy_anus scar sex_toy smile solo spread_butt spreading tail tan_body tan_fur teeth tongue uneven_balls white_body white_fur churrosolixoso skaro equid equine horse mammal 2023 digital_media_(artwork) hi_res pinup|17732065120