FURVERT!

anthro balls canid canine canis coyote custapple domestic_dog duo erection foreskin genitals greyscale hair hair_over_eyes hi_res humanoid_genitalia humanoid_penis imminent_sex larger_male looney_tunes lying male male/male mammal monochrome musclegut muscular naturally_unclothed on_back penis ralph_e._wolf retracted_foreskin sam_sheepdog size_difference smaller_anthro smaller_male spread_legs spreading warner_brothers