Rule 34 Dev - anthro anus ass back_muscles balls big_balls big_bulge big_butt big_penis bulge clothing erection exercise fur genitals green_body grey_body grey_fur hi_res huge_balls huge_bulge huge_butt huge_cock hyper hyper_balls hyper_genitalia hyper_penis kangaroo macropod male mammal marsupial muscular muscular_anthro muscular_arms muscular_male penis puffy_anus squating through_shorts translucent translucent_clothing unaware uniparasite weightlifting workout|12538517240