animal_genitalia animal_penis anthro balls barn big_balls big_penis black_balls bodily_fluids crotch_focus crotch_shot equine_genitalia equine_penis erection genital_fluids genitals hay hay_bale inside male medial_ring penis precum precum_string presenting presenting_penis pubes saggy_balls sitting solo spread_legs spreading vein veiny_balls veiny_penis anotheranon equid equine horse mammal absurd_res hi_res