Acronym for Nasty Ass Bastard; commonly used when describing a person of male gender lacking normal higienic qualities and or difficulty controlling sexual tendencies in public.

"Did you see that NAB, he couldn't even look me in the eye when talking to me cause he was too busy staring at my tits?"

"That guy's pubes are so long you could french braid that shit...what a NAB!"

NAB by H & N December 25, 2006

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Nab

Function (n.) - Abbreviation meaning "Negligible at Best" (the misuse of the word negligible to mean negligent in this context is deliberate). To be used when someone is being an unfavourable character, doing something unfavourable, or when someTHING is unfavourable.

"My final exams are coming up and I have a shit load to study, it's nab."

Nab by JasonFasho January 19, 2009

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