Rule 34 Dev - anthro armpit_hair balls beard biceps big_penis black_penis body_hair chest_hair equid equine erection facial_hair floating genitals grin hands_behind_head hi_res looking_at_viewer male male_only mammal manly moon_bara musclegut muscular_thighs navel nipples nude pecs penis pool_noodle pubes slightly_chubby smile solo solo_male swimming_pool triceps vein veiny_penis zebra|9787896280