Rule 34 Dev - abs anthro anus barbell beard bench_press biceps big_muscles blush bodily_fluids bulge canid canine canis clenched_teeth clothed clothing detailed_bulge domestic_dog exercise facial_hair fur genital_outline green_body green_fur green_hair gym hair hi_res jockstrap jockstrap_only lying male mammal muscular muscular_male nipple_piercing nipple_ring nipples on_back pawpads pecs penis_outline piercing pubes quads ring_piercing signature solo straining sweat teeth three-quarter_view topless underwear underwear_only vein veiny_muscles white_body white_fur wolf workout yibian_sz|11711671848