Rule 34 Dev - abs animal_genitalia animal_penis anthro balls biceps big_balls big_muscles big_penis black_balls black_body black_hair bodily_fluids brown_body deltoids equine_genitalia equine_penis erection fingers flared_penis fur furniture genitals glistening glistening_body glistening_genitalia hair looking_at_viewer lying male manly medial_ring muscular muscular_anthro muscular_male muscular_thighs navel nipples nude nude_male obliques on_side pecs penis pose presenting presenting_penis quads realistic realistic_lighting serratus simple_background solo sweat sweaty_body sweaty_legs thick_penis triceps vein veiny_arms veiny_muscles veiny_penis anonymous_director equid equine horse mammal hi_res widescreen|93035480