Grenenge Share definition Flag Revenge in any first person shooter (FPS) game, especially Call of Duty 4, by the means of or involving a grenade. Dude this bitch totally spawn killed me so I grenenged the fuck out of his n00b ass. Grenenge by Faggoty fuck fick November 4, 2009 0 0 Get merch Get the Grenenge mug. Buy Now — $32.95 See more merch