1 definition by Scotty B..

A nerdy way of saying ass. (Can also be used by geeks.) Used mostly to be cool, even though it's not.

a.k.a : @$$
*Hot Girl Walks By Nerd*

*Nerd Runs Home to Computer*

Nerd : Oh, my, god, that girl had a nice "at cash cash" if you know what im saying!

Guy : Fuck off..
by Scotty B.. August 20, 2007
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