Top Definition
A person playing on Call of Duty 4 online who uses the Martyrdom perk where a live grenade is dropped after you are killed, it is intended to catch your opponent off guard who thinks he is free and clear now that your dead. Its a noobs way to get kills even though he's dead. People who use this lack a real ability to kill people themselves and use this to level up.
I heard him coming up the stairs, knifed him and went back to sniping when i heard the grenade drop! he had martyrnoob on there was no way i could get out of the room in time!
by Ryanwk12 October 18, 2008
5 Words related to Martyrnoob

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