Acting in the way of a nigger in a public place. Examples include talking loud, being obnoxious, stealing, not paying your bill, and all other behavior that is associated with normal nigger group behavior.
Matt: "Why are those black kids protesting at that restaurant?"

Jim: "Ah, a bunch of them were in there nigger'n it up and the manager told them to leave. Now they are saying the place is racist."

Matt: "I will eat there more now."
by Kubilai Kahn April 25, 2008
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