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1 definition by IKilledKenny72

 
1.
In First-Person shooters, where a player (specifically a noob, hence "noob toobing") kills players using only grenade launchers, RPGs, Rocket launchers, or any other weapon considered cheap. While it is ok to do this once in a while, it considered just not right to do repeadedly.
"dude, stop noob toobing, it is retarded."
by IKilledKenny72 February 07, 2010