V. The act of slapping one on the ass and proclaiming "Good game."
I can't believe Mateo just good gamed that cop.
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Adj. An expression of happiness for an achievement.
Origin: When you hit blackjack at the Boomtown Casino in New Orleans the dealer proclaims âBoomtown!â
Kevin: I fucked my ex's hot roommate last night.
Jeff: Boomtown!
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