Not Your Bitch. said as phrase or just as "nib" refering to that you dont jump at that persons every command.
man1: hey, clean up my mess.
man2: NYB, jackass
by that guy noone likes August 04, 2008
Top Definition
an accronym usually used at the end of a myspace name meaning,
Not Your Basic Slut
so basicilly I am NYBS
by torrwhore December 25, 2007
New York bitches. Aka the baddest bitches of them all.
Sally, Kelly, Hali, and Liza are such NYBs. They rock and roll.

Here come the NYBs.
by anewyorkbitch August 23, 2013
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