Definition from Wiktionary, the free dictionary
Shortened from newbie. Sometimes a more derogatory term to scold others for their inexperience in any given activity.
newb (plural newbs)
- (Internet slang, leetspeak, sometimes pejorative) A newbie; someone that is new at a game, or has a new character.
- That guy must be a newb at this game. He has no idea how to play.
- (Internet slang, pejorative) when said of an experienced player, an admonishment from another experienced player that the first player has made a beginner's or careless mistake.
- You fell right into that trap - you newb!
newbie — see newbie