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boomcrack is another way to call some fat person fat without actually saying "Damnn look at that fat-ass" It would appear more random and stupid.
Gerard: Damn look at that fat-ass!
Mayra: You mean boomcrack?

NEXT WEEK

Gerard: Hey, Mayra look at that boomcrack!!!!
by M.B.G.B May 26, 2009
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