The Grenade Launcher attachment for all Assault Rifles (Except MP44) in Call of Duty 4: Modern Warfare.
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gay expression used by people in call of duty when they are tremendously embarassed by getting owned by a grendade launcher. If you get jealous, use it urself retard
When somebody in cod gets embarassed about getting shot by a grenade launcher, they get jealous and start to make fun of the person who owned them by saying "NOOB TUBE!"
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The act of shitting in someone's mouth after they have passed out at a party.
Guy 1: Did you see zach at the party?
Guy2: Yeah, I saw someone Noob Tubing him....
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Noun.
Despite many saying that this is something specific to Call Of Duty 4 it is in fact a general term for any weapon that is cheap and/or over-powered in any video or computer game, usually a grenade launcher or RPG but also, especially with newer games, can be a shotgun (i.e. Call Of Duty, Half-Life 2, Rainbow 6) at least when up close. Use of it is commonly frowned upon unless used with some finesse or tactical forethought.
Ex.1
Tom: "Dude, I was playing Halo 3 the other day some dude unloaded on me with the Mini-Gun."
Harry: " The Mini-Gun is such a Noob Tube"
Ex.2
Dick: "Gosh that guy just shot me with a Noob Tube."
Tom: "What a Noobish thing to do!"
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A grenade launcher on modern warfare 1,2 that only douche bags and people with no skill use. They may only be used if you are trying to unlock the attachable shotgun.
That little shit just noob tubed me, what a douche
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A weapon that is often employed by someone who is "new" to an FPS game and needs to use the maximum ammount of fire power just to "try" to survive, because noob's have no skill. Usually a Bazukka or rocket launcher. Hense the term "noob tube".
Maj. Poopinschaft: " Hay you killed me 10 times in a row....
I think I'll get you with a bazukka, because I have no skill ! "
cartOOnman: " Go ahead, Get your noob tube, I'll still bash you over the head with a 45. NYUK NYUK NYUK MUUhahahahahaha "
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A grenade launcher or rocket launcher noobs use in cod. Also is a item in the best game ever created called roblox which shoots noobs at people
Noob:I has a grenade launcher
Pro guy:you fucking noob you suck stop using noob tubes and learn to aim and quickscope you fucking faggot cunt
Noob: :(