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1.
To leave an area at high velocity for fear of ones life or of great danger.
I did the 'nigga bolt' when the cops started shooting at me
by Dr. Peter Cook November 11, 2004
 
2.
to run away or leave very quickly in any situation.
originated from extensive hours of playing mmorpgs, in Australia.
Alt+F4 = niggabolt
"shit, cops, niggabolt!"
by Steven Chan June 15, 2008
 
3.
When a black person breaks into a sprint, generally to evade police
One wednesday evening, we witnessed a niggabolt where the black fella left his car, cannabis, and girlfriend to the police, and sprinted into a random persons home
by Dahbooooooooooo November 09, 2011