nunbarn Share definition Flag nunbarn can be used to replace any other word. It has no fixed meaning. It is simply slang for anything you want. 'I'll have a pint of nunbarn please barmen' or 'you fucking nunbarn' nunbarn by Lance Cowan November 18, 2006 0 0 Get merch Get the nunbarn mug. Buy Now — $32.95 See more merch
