2 definitions by E. Michael Wood

To fall asleep quickly, with no verbal warning, usually when previously with a group of people. Origin is from the disease narcolepsy.
Where is that guy? Did he just go narc out somewhere?
by E. Michael Wood July 11, 2008
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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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