rule 34 animal genitalia bodily fluids bull terrier canid canine canis claws closed eyes cum cum while sheathed cumshot domestic ejaculation feral floppy ears fully sheathed fur genital fluids genitals hands free hi res hunting jenklin character jenklinbullterrier artist knot knot in sheath looking pleasured male mammal motion lines multi nipple nipples orgasm pawpads penis saliva saliva string sheath solo terrier toe claws tongue tongue out 7124419