A weapon in a first person shooter which all the newbs use because its easy to kill others with, or they aren't ready or willing to give another gun a shot.
In Rainbow Six 3, the Grenade Launcher is the noob cannon, most servers don't even run it unless they want amusement.
by Somebody, but not Nobody October 17, 2004
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In Call of Duty its the PPSh which is a 71 round submachine gun that allows the player who is using it to spray his hot lead all over the place. Favoured by nOObs, hence noob cannon.
Jake PPSh'd Da Sniper
Da Sniper:U fookin newark stop usin da noob cannon and fight like a man
Jake: NO!
by Cryongenic Ragamuffin September 8, 2004
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In cs (counter strike) it is the xm1014 auto shotgun(auto shotty). it has a fast reload and a fast fire rate. you can also stop reloading to fire off a round into the fave of an opponent.
OMFG! that is like your sixth kill with the noob cannon. get a real gun.
by ~|~()|\/| November 27, 2006
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In Counterstrike it is the auto shotgun, AW/M or AWP (especially in old versions of the game, where you don't have to aim even relatively close to someone to snipe them), it is toned down in newer versions. Even though the AWP is the best weapon in the game you can't ever use it or you will be branded a noob.
-=COPKILLA1=-: OMG that noob fuckin shot me with his noob cannon!!
-=COPKILLA2=-: wat a fuckn noob
-=SenorCAP-A-COP=-: i hate CS
by teh best evar January 12, 2004
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A cheap ass weapon favoured by noobs in First Person Shooter games, as it is easy to use and can kill without much effort.

In Delta Force 4 Task Force Dagger, the noob cannon would be the OICW in its semi auto 6 shots per clip grenade launcher mode.
noob with OICW: HahaHAh i PwN u alL u FiCkerS!!!111one
pro using a real gun: Wtf man have you ever fired a real gun besides that noob cannon? No wonder you play GSUS and other CQB maps only.
*the pro aims his M4A1SD*
*the noob's head goes pop*
by DFtfd pwns September 17, 2005
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a gun that most noobs use and get cheap kills with, like the ppsh in Call of Duty
omg noobs stop using the noob cannon!

Call of Duty: omg russian noobs get a real gun
by michael scullin May 11, 2006
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In Americas Army it is the RPG-7. It just blows up anything it hits or in the general area. It is also called the "ROE Cannon" because it has a tendance to TK. If you stand behind the person shooting you will die and the explosion radius is so high that it will probably get teammates.
Player was blown up by DysfunctionalFORCE's rocket
DysfunctionalFORCE attacked teammate Player1
DysfunctionalFORCE attacked teammate Player2
Player 2: Wtf n00b cannon.
by Dysfunction January 10, 2004
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