the feeling you get after you take a shit where it seems like no matter how many times you wipe it feels like there are still poo particles around your ass.
A person who's ass is so big, that it magically absorbs anything that you put in the crack, up to and including cookies, especially Keebler fudge stripe cookies. Anything put in the crack is never seen or heard from again.
or
A nickname for 1950's actor Stephen Zukowski. Also known as Num Nums Zukowski.