Rule 34 Dev - 1male abs absurd_res animal_genitalia animal_penis anthro balls biceps big_balls big_penis donovan equid equine erection fur genitals grabbing_balls green_eyes hi_res horseballs horsecock huge_balls huge_cock kobu_art long_penis looking_at_viewer male male_only mammal medial_ring muscular muscular_anthro muscular_male navel nipple_piercing nipples pecs penis penis_to_chest piercing solo standing striped_body striped_fur stripes vein veiny_balls veiny_penis zebra|4821203880