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meaning "need to know" or keeping things on a need 2 know basis...mostly to keep things on the DL to keep from spreading things, such as illegal happenings, etc.
dude, what happened last night?

jeez, i don't really wana say...strictly a n2k basis...
by asian_rep June 24, 2005
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2
nice to know. a sarcastic coment to somthing you could really have done without being told.
dude 1: argh my balls are killing me

dude 2: n2k
by cheeseflambe June 28, 2009
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