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The act of of someone acting black or is black, it can even be directed to some one who is just really dark. Or are in someway acting hard or somewhat "gangster". Most likely

it is directed to Blacks, Hispanics, and even your everyday wannabe White boy.
Man 1: Hey bro you wanna go chill at my crib later son yeah!
Man 2: What?
Man 1: Lets get fucked up homie.
Man 2: Quit acting like a mangroe.
Man 1: Oh ok im sorry.
Man 2: Yeah its want to go fap?
Man 1: Sure.
by SoNy314 November 15, 2011
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