Junior High age youth use non-sexual meanings of terms they here older (High School/College) young adults use. This is one of a couple meanings the younger crowd has for the term.
The new kid is such a NARB, he doesn't do anything right.
A n00b so epic that he/she deserves their own label. A n00b who thinks that they own the world and can pwn anyone, regardless of experience or time playing a game. Anyone who didnt know better would think that a n00b had 200+ IQ compared to a narb. A n00b that embarasses other players in the game and gets owned by normal n00bs.