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abbreviation for No Thread Left Behind.

This is an evolution of the "bump", which brings an old forum thread up with the most recent ones.

No Thread Left Behind is usually reserved as a 'mercy bump' for those topics that never received a reply.
Janedoe: My grandma sent me stockings for Christmas!

* 1 week later*

Johndoe: ntlb
by MetaChimp March 19, 2005
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May 3 Word of the Day
Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)
Monica: Oh yay! I made a new mutual today because we started following & talking to eachother on twitter and we like eachother (so it seems).
by qtheresurrection March 25, 2015
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