(Internet slang, often derogatory) A newb or newbie; refers to the idea that someone is new to a game, concept, or idea; implying a lack of experience. Also, in some areas the word noob can mean someone is obsessed with things.

A rigid or stiffly flexible sheath used on some bicycles to turn a brake cable neatly around a corner.

plural of noob

(informal) Nutritional yeast.

(video games, slang) A very overpowered firearm, especially a grenade launcher.

plural of noodleburger

whiny; peevish; complaining

Synonym of packing peanut

plural of noob tube

(chiefly in the plural) One of a mass of dried precooked noodles fused with oil, usually soaked in boiling water for a few minutes before being eaten.