Plural of n00b. A new player, generally of a video game, that is unskilled and refuses to acknowledge this fact. There IS a difference between n00bs and newbies, and that is that newbies can and do learn.
"Oh my gawd, I love the map Dust. I can pwn so many n00bs on it. Maybe today I'll pwn enough n00bs that I can raise my rank on the server from three to one! Heh heh." -from www.pwned.nl