Top definition
When you see or predict the Typical Nigger Behaviour erupting.
Lo: TNB alert....TNB alert, these two niggers sitting on the corner are about to start a fight with that guy because he looked at them.
Ve: ahhh man, let's get out of here before they start shooting everyone.
Lo: Fucking boons, you can't go anywhere these days, seriously.
by RealisticMan February 23, 2011
Get the mug
Get a TNB alert mug for your barber Larisa.