Rule 34 Dev - abs anthro balls biceps big_penis bodily_fluids brown_body brown_hair chorogon deltoids equid equine erection fur genital_fluids genitals hair hand_behind_head hay hi_res horse humanoid_genitalia humanoid_hands humanoid_penis looking_at_viewer lying male male_only mammal manly muscular muscular_anthro muscular_male nature navel nipples nude on_back outdoor_nudity outside pecs penis precum seductive solo tongue tongue_out|9621380952