1 definition by H & N

Top Definition
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!"
by H & N December 21, 2006

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