Someone who is new at using the GNU operating system, often referred to as Linux.

Giga + Noob, somebody who is extremely noob

(Juh-noob) This is a new online word coming from the word noob and newbie . It is always used as an insult, meaning a really big noob. Usually used when "noob" just doesn't explain on how big of a noob the person really is, so you use gnoob. Also used after pwning another player in an online game.

Gnoob is a common expression, frequently used in the game Leauge of Legends. Gnoob is an extraction if the two words "gay" and "noob".

gnoob is like the average noob BUT is stronger and more powerful. never under estimate a gnoob