N00bninja 

A person obsessed with martial arts culture who, whilst confident they could kill a crocodile with their bare hands demonstrates little in the way of technical merit.

Dan: "I'm a fifth degree blank belt in karate. I once back flipped over a moving tractor but no one saw me"

Matt: "Whatev man you're such a n00bninja"

N00bninja by FuriousB March 24, 2009

n00binator 

a 1337 person who makes and individiual, who may not be a n00b, look like a n00b. This person is one who is extremely 1337. This term excludes h4x0rs.

Player 1: Man, who was that h4x0r that pwn3d j00?
Player 2: That's not a h4x0r, that's teh n00binator!

n00binator by Uncle Ben November 27, 2004

tuh_n00binatuh 

name commonly given to annoying shits, aspecially in video games!

Fuck u tuh_n00binatuh

tuh_n00binatuh by Alex April 15, 2005