2 definition by Kenno

Top Definition
A cool way of sayin goodbye to your homeboys or homegirls. Popularised by the song 'Yeah' by Usher, "Peace up A town."
1: "Ay yo im out of here man c ya laterz."
2: "Aight man peace up."
by Kenno July 18, 2006

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Used as a ghetto way of sayin goodbye to your homies. Basically the opposie of Peace Up. "Peace up A Town" -- "War Down Z County"
1: "Ay man ima jet c ya laterz"
2: "Aight homie war down!"
by Kenno July 19, 2006

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