Rule 34 Dev - anthro anus backsack ball_tuft balls big_balls big_penis biped blue_hair bodily_fluids brown_balls brown_body brown_eyes brown_penis brown_perineum brown_skin butt darkened_balls darkened_genitalia darkened_penis darkened_perineum dripping ear_piercing erection flaccid foreskin genital_fluids genitals glans hair hand_on_hip hooves horn humanoid_genitalia humanoid_penis looking_at_viewer looking_back looking_back_at_viewer male manly mature_male muscular muscular_anthro muscular_male nude penis perineum piercing pink_anus pink_glans pose precum precum_drip precum_string presenting pubes rear_view simple_background solo standing step_pose teeth thick_penis tuft vein veiny_penis darkgem mordechai mammal rhinoceros 2016 9:14 hi_res|4199716010