1) a short bit of something
2) an annoying person (see cockblock or killjoy
3) a derogatory term for short people
4) and endearing way to tease your friends (see sillybilly)
person 2: yeah! it's like, 5 centimeters long
2) Ugh!! Cathy totally stopped me from hooking up with Steve!!! God, What a nub.
3) She's Such a nub!! She's like 5 ft tall
4) Aaw, you're such a nubbly nub!! Luv Ya!!!
synonyms- a Dan Wood, noob, newbie, newb
antonyms- an Alex, elite, 1337, leet
Boy 2: None of them were moving you nub?!
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.
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.