A duncher is a flat cap that used to be worn by the shipyard workers at Harland & Wolff, Shipbuilders, Queen's Island, Belfast
Andy Capp, a cartoon character created by Reg Smythe for the British newspaper the Daily Mirror, always wore a duncher
by St Ias November 22, 2005
'Your mum is a duncher'
by Mathz squ@d February 14, 2017