jerkay Share definition Flag pronounced JERRRRRKAYYYYits an exaggerated form of just kidding or "JK" Terrorist: We will bomb the white house Obama: WHAT? Terrorist: JERKAY *laughs* jerkay by stonebuddha August 22, 2009 0 0 Get merch Get the jerkay mug. Buy Now — $32.95 See more merch