rule 34 anthro anus ass backsack balls big balls big butt bodily fluids crouching domestic cat erection eroborus fangs felid feline felis fur furry furry only genitals gloves marking hi res leg markings looking back looking through looking through legs male male only mammal markings orange background penis pink body pink fur pink tail puffy anus roz short tail simple background smile smiling at viewer socks marking solo sweat sweaty balls sweaty butt sweaty genitalia tail testicles uncensored vein veiny penis 6292555