animal_genitalia animal_penis anus balls big_balls big_penis big_sheath blue_body bodily_fluids brown_body butt duo equine_penis fellatio feral genital_fluids genitals huge_balls huge_penis huge_sheath hybrid_genitalia hybrid_penis knot knot_in_sheath knotted_equine_penis licking long_tongue male male/male medial_ring one_leg_up oral outside penile penis penis_lick precum presenting presenting_hindquarters presenting_penis puffy_anus raised_leg sex sheath size_difference solo tongue tongue_out urethra 399secondplaces dragon hybrid mammal ursid wingless_dragon hi_res