rule 34 animal genitalia animal penis anthro ars big penis bite biting lip biting own lip blue body blue fur bodily fluids brown eyes canid canine canine genitalia canine penis canis chest tuft curtains english text erection fangs fur genital fluids genitals hi res holding penis legoshi ars lying male male only mammal motion lines multicolored body multicolored fur nails navel nipples nude on back penis pillow precum sheath solo taffhazy teeth text tuft two tone body two tone fur vein veiny penis wolf 8600866