Rule 34 Dev - anthro balls big_balls bodily_fluids brown_body brown_fur buckteeth collar foreskin fur genital_fluids genitals hi_res humanoid_genitalia humanoid_penis looking_at_viewer lying male mammal murid murine nails on_back penis precum rat red_eyes rodent shephard solo spread_legs spreading teeth toots uncut vein veiny_penis whiskers|4689213928