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An act in the hit Xbox 360 game Halo: when one is being killed, and throws grenades at the attacker before being killed, resulting in the attacker's death as well as yours. a combination of death from the grave by grenade.
Wife: "get off halo right now and have sex with me!"

Husband: "not now babe..I just got gravenaded and I'm gettin' some fucking revenge."
by baconbits231 August 07, 2010
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