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1 definition by Sarge1999

Means "ONE" in the Afghan dialect Pashto. Used to replace "one" as in "one love". Mainly used by veterans of Operation Enduring Freedom....the cool ones anyway.
Guy 1: "Yo man I'll catch ya'll later, Yak"
Guy 2: "Yak"
by Sarge1999 July 25, 2006