What does noob mean?

Noob is slang for newcomer, which implies someone has no idea what they're are doing. Thus noob does not mean ugly. Its normally slang in games, originating like other terms, such as QQ, from a game. Noob is the shortened term for newbie and is used in online games as a taunt for new players. Noob can also mean someone who is new to hacking and they don't know very much but try to learn. It is also a commonly known word in the military.