Rule 34 Dev - abs anthro biceps birthday body_hair butt chest_hair clothing concealing_penis crouching facial_hair fur hair hat headgear headwear hidden male muscular muscular_anthro muscular_male nipples nude party_hat pecs pubes simple_background smile smirk solo tail tattoo bgn luxordtimet ozzy_fitch bear kangaroo macropod mammal marsupial black_and_white monochrome sketch|19417635790