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Term used in a situation where a "grenade" has one or more of her "grenade" friends over. This gathering usually involves two plus grenades, lots of chatter, and terrible music. Completely devoid of hot friends.
Hearing the voice of his grenade housemate and one of her unknown friends, the bro left his room only to find that the grenade was CONGRENADING, and more were on the way.
by WVRower December 05, 2010
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