Definition from Wiktionary, the free dictionary
n00b (plural n00bs)
- (Internet slang, leetspeak, pejorative) A beginner, someone lacking skill, or someone who uses beginner tactics.
2007, “WHAT IS FLAMING?”, in news.etiquette-update today, Usenet:
- A common way to start any kind of flaming is mini-modding. Many people think mini-modding is annoying and they'd say, "You stupid n00b, stop mini-modding or I'll report you."
beginner — see newbie