A city or neighborhood with a high percentage of black residents.
Person A: Let's go to East New York
Person B: Nah, that place is a virtual niggalopolis, let's go to the Upper East Side instead.
by Malcolm Little January 11, 2008
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A big city that is full of black people aka the hood
I was cruising through niggalopolis the other day, and I actually saw a white person and shat myself!
by The Gangbanging Gangsta October 25, 2010
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Where all niggers "black people" meet up in a special town.
Kyle: Dude? Want to go to Niggalopolis today?

Rob: Nah. Dude, remember, we're not black!

Kyle:.........oh yeah...
by Unicornpotatoe August 14, 2009
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