1: to get frustrated; to get mad and yell

2: bling blang; to get bling
1- Guy 1: Whats wrong with that guy? Why's he yelling?

Guy 2: He just found out his girlfriend is cheating on him. He's niggered up

2- Guy 1: Whats with all the ice?

Guy 2: I just got niggered up.
by Ukwtakun September 11, 2010
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To gang up; as if to fight unfairly. When a group of people maliciously fight another with the advantage of more people.
Can refer to either gender and any race.
Just because she called you a whore doesn't mean you had the right to nigger-up on her with your trashy friends and beat the hell out of her.
by Caroleame October 26, 2012
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To screw something up badly. To have one’s wife or girlfriend get consenually banged out by one or more black guys.
Yo, Chad, you sure niggered up that framing over there. You better fix it before the boss sees it.
Did you hear that Kevin’s wife like to get niggered up? Yeah, I guess he’s a cuckold.
by Rollo Tomasi Cthulhu April 27, 2021
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Hard or bricked up but only for a black person.
Jamal was niggered up when saw that baddie Ebony.
by Bagelboss22 December 17, 2022
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To convey in word and demeanor, a resolute assertiveness concerning a principle, belief, conviction. or position-so as to inform the hearer that"I'm as mad as hell--and am not taking anymore of this shit!!
It's time for President Obama to "Nigger- Up" on all those people who just want to get the Black Guy out the White House!
by Wholetruf January 21, 2012
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