Rule 34 Dev - anthro beard belly belt biceps big_biceps big_penis biped body_hair bottomwear chest_hair clothing erection facial_hair foreskin front_view genital_piercing genitals grey_eyes hairy holding_object horn huge_penis humanoid_genitalia humanoid_penis looking_at_viewer male manly markings mature_anthro mature_male muscular muscular_anthro muscular_male nipple_piercing nipple_ring nipples nude pants partially_retracted_foreskin pecs penis penis_piercing piercing pose pubes ring_piercing shirt simple_background solo standing tank_top thick_penis topwear underwear unzipped vein veiny_penis zipper brubearbrown mammal rhinoceros|4170218990