Rule 34 Dev - abs anthro athletic balls biceps biped circumcised circumcision_scar claws erection genital_scar genitals humanoid_genitalia humanoid_penis jewelry lying male muscular muscular_anthro necklace nude on_back pecs penis pose presenting scales scar simple_background solo tail toe_claws white_background sudonym dinosaur prehistoric_species reptile scalie black_and_white monochrome sketch|1440495595