1 definition by James Lathe

Slang for MDMA(ecstasy). This slang word originated in St. Louis and Cahokia.
Whats up Phat, Wanna go to the store and get some peaches?
Phat Fat: I don't even know man, hit up Big Sexy and see what hes up on.
by James Lathe March 7, 2007
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