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abbreviation for nota bene: used to mark something as particularly important.
The party is tomorrow at 8.

NB: Dress in formal attire.
by Jordija May 02, 2004
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Note well, an Important Note, take notice.

Nota bene is a Latin phrase, often used after a paragraph to give an extra importance to a particular idea or thought.
Also could be written as: NB
" ________________
_______ _______
___________ ___ Bla Bla Bla "
N.B. this applies to yearly members only.
by TaGGaT December 15, 2008
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Abbreviation for Nota Bene ("Note Well"). Pedonator to Nojo, 10/29/09: It’s a wink-wink in the fine print: Pay attention to this, sucka.
NB: Trespassers will be shot on sight.
by JR in MA October 29, 2009
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Abbreviation for "not bad"

Often used in online chat
Guy 1- How was the basketball game

Guy 2- Pretty good. I scored 14 points and grabbed 8 rebounds

Guy 1- nb
by NICCOS May 25, 2009
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nb is an abbreviation for "nose breathe".

Nose breathes commonly occur when you find something funny. Rather than laughing out loud, one exhales or breathe though your nose.
Example One:

Glenda: "most the time when I say lol I don't even lol."

Hilda: *nb* "niether do I just nb."

Example Two:

*Rudy's phone rings*

Hilda: *nb*
by archibaldtheconquistador May 11, 2009
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N.B. is an abbreviation for non-binary, meaning not male or female.
Dave: Are you dating a man or woman?
Greg: Neither, I'm dating an N.B.
by SaveState November 16, 2017
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