Top Definition
Common definition urban word for a large amount of money, to have large amounts of money.
"Will Smith, and Bill gates have jobs, and they make mad stacks!"

"look, all we have to do is state that we are clincally insane , and then the government will write us checks... I'm talking MAD STACKS, Eugene."
by Jojo Martinez September 01, 2006

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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