yukkarn Share definition Flag It really has to be spoken, but it's 'ya cunt' with a lack of emphasis on the 't' and spoken as one word. Australian slang which dates from '91. Imagine someone yelling it at you as they're driving past in a car. "Outta my way yukkarn!" yukkarn by Fred Gassit July 25, 2006 Get the yukkarn mug.