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1 definition by Skashlee

 
1.
nb4
'In Before' - In before the thread is closed by a Moderator.

Commonly used in the slorum on FAZED.
If a thread is created wherein the rules of the forum are comprimised, users try to get in a comment 'nb4' they know a mod will lock (or close) the thread.
by Skashlee September 24, 2006