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official definition: a internet acronym, similar to "noob". HOWEVER, whilst a NOOB is someone who is lame/idiotic because he is new, a NUB is someone who has had the opportunity to learn something new, but never did, and is therefore idiotic/stupid.
"everyone who fucked up the definition of nub in this page is a nub".
nub by Dane February 26, 2005
Related Words
nub Nubbin nub cake Nube nubby nublet nubbing nub nub nubbles Nubin
worse than a n00b. a nub is someone who persistently makes poor decisions. and is in general terms an idiot. only the nub is unaware of their state of nubness, nubs can be easily identified, as nubness is an incurable and obvious affliction.
sam and matt got high and played xbox instead of hanging out with pretty girls. what nubs.
N.U.B. or NUB is an acronym for a long used expression in the U.S. Navy that means Non-Useful Body. Usually a term given to those recently out of school and have yet to learn the ways of being a true sailor.

Submariners in the U.S. Navy usually use this term towards those who have not qualified for submarines, an arduous task which ends in the sailor being presented his "Dolphins" and being accepted as no longer being a NUB.
All of these kids confusing the word n00b with this word are NUBs
NUB by RMCS SS/DV December 24, 2007
An erect clitoris. Used in place of "boner" when the subject is female.
Nub by pinky_toe February 18, 2010
A nub is a version of noob, except a nub is when someone has been doing something for a long period of time and is still stupid and has no clue what they are doing.
Jake: That teacher is a nub...
Shannah: yeah i know, shes been doing this for like what, 30 years? And she claims she knows how to put a computer back together.
Nub by Shann`uh October 6, 2007
someone who played something for a long time, and still has no idea what they're doing. related to: noob, newb
George Bush is a nub.
nub by Fro Moua January 17, 2008