one who sucks at a particular video game, they are not new to the game, but possess some determent that prevents them from playing well, no matter how long they practice playing the game.
synonyms- a Dan Wood, noob, newbie, newb
antonyms- an Alex, elite, 1337, leet

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.

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.

plural of nub, a player who exhibits negative skill

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.

Someone with no arms or legs, so they have nubs, so they are nubs.

From a NOFX song.

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.