What you call your homie after he had your back and helped you fix somethingbad you have caused or inflicted on someone, something, or even yourself
Examples: Bad grades, Drug addiction, Bullying someone, and etc.
You: Hey dude, thanks for helping me with my grades and being my nigga napkin Friend: No problem, I'm proud to be your nigga napkin
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.