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a way to say "you don't know nothing about me" or "you don't know anything about me". Used as a comeback to douche-y comments or rude gestures.
bob: "hey watup sistah? lets hang."
girl 1: "ya don't know nuthin' 'bout me."

girl 1: "i'm pretty much the best person here."
girl 2: "'cause ya don't know nuthin' bout me."

dude 2: *sticks tongue out.
girl 3: "you dont know nuthin' 'bout me, you loser."
by hashendonitsme April 28, 2013
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