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1.
A 'Grenoobtube' or 'Grenoob-tube' launcher comes form a blending made by myself of grenade+noob+tube as another jargon term for the grenadelauncher attachment for most weapons on call of duty modernwarfare 'cod4' and call of duty modern warfare 2 or 'cod6/ cod mod2'
GODDAM GRENOOBTUBER

check ma killcam i grenoob tubed that guy
by doodeyboob January 07, 2010