Nigger Lightbulb
The look on the face of an African-American negro when engaging in converstation with a white person and realizes that no other niggers are within earshot. The Negro suddenly understands and will speak proper english without frontin or shuckin and jivin
I finally got a straight answer to my question from that black bitch at the DMV. I was the last one in line and it was like a Nigger Lightbulb went off.
nigger lightbulb
A lightbulb that doesn't work.
Man this lightbulb doesn't work, I bet this whole box is full of nigger lightbulbs.