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1.
Similar to Degrade.

Used to describe (negatively) someones actions. Actions that resemble the more humiliating aspects of black culture.

Used when some one acts black.

when said, it is usually followed by laughter.
"If you do that you will only nigrade yourself."
"That is very nigrading"
"I have nigraded myself..."
by McZLite April 15, 2008