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An annoying girl who birds ploob. (see "ploob" for definition of ploob)
"Nibs, guys!"
"Hey, it's Nibs, guys!"
by travoltagirl February 26, 2005
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36
The acronym standing for Newly Initiated Brothers. When one pledge class in a fraternity gets initiated, the NIBs are still at the bottom of the chain for the few weeks until the new pledges begin.
Sam: Why haven't any of the pledge rides answered their phones.

Bob: They're NIBs. They don't give a fuck any more.
by NappyBoy February 10, 2013
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38
A trashy white kid who tries to get alot of Doritos and Mountain Dew to get more Modern Warfare 3 XP
Nibs: Yo mom can we go to wawa to get Doritos!?

Nibs Mom: I just got u Doritos yesterday!

Nibs: The Double XP ran out
by Sqeezz November 14, 2011
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39
My brother was being such a nib because he was poking me and calling me names all day.
by Juesternuggy February 06, 2019
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