No big deal. An acronym that, in conjunction with a boasting statement, adds emphasis and sarcasm to what you are trying to say.
Ummm, I'm pretty much the reason why everyone's coming to the part, nbd.

Nbd, but I've dated like 3 black women.
by thejson August 28, 2010
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person 1 i just did a backflip off of a 10 story building nbd
person 2 how tf are you still alive
by hehehehehehesksksksksksk February 12, 2019
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never been done. opposite of ABD (already been done)

popular in forum culture
by epicly lally'd August 29, 2006
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Stands for NoBody Died. Matter is irrelevant, i.e. it means nothing in the big picture and nobody needs to care.
by charon17 December 19, 2010
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Acronym for the phrase "No big deal". Typically used sarcastically at the end of a statement of importance as to say it was in fact a big deal.
I got an 89 on my econ final. That's 10 points above average! NBD.
by E. Michael Wood July 11, 2008
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