animal_genitalia animal_penis anthro athletic balls bandanna big_balls big_penis canine_penis erection flexing fur genitals grey_body grey_fur housepets! kerchief knot looking_at_viewer male muscular muscular_male penis simple_background solo standing white_background white_body white_fur anonymous_director fox_(housepets!) canid canine canis domestic_dog husky mammal nordic_sled_dog spitz hi_res