Rule 34 Dev - 2017 abs anthro balls barazoku biceps big_biceps big_muscles black_markings dragon erection flexing genitals humanoid_genitalia humanoid_penis looking_at_viewer lying male male_only markings mickey_the_retriever muscular muscular_anthro muscular_male navel nude obliques on_side open_mouth penis reptile scalie simple_background solo tephros yellow_body|4387429360