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1.
A group of hoodlums who smoke alot of weed but stay getting that money. You will know who a Stack Boy is because they will constantly be showing of there "paper" and yelling "Hey Stacks".
THEY ARE EXTREMLY WILD AND YOU SHOULD WATCH OUT FOR EM.
Johnny was flashing his new crisp 100 dollar bill trying to be a stack boy. A real Stack Boy came up and smacked him with a stack of money, while saying, "You don't got stacks nigga!!" You aint part of dem Stack Boyz
by Mr. Stackz February 08, 2011