In 1983 a great old guy named Frank Shean walked up to me on the main road in Rann na Feirsde and, pointing to a large bruise on his forehead, said, "Bfhuil me mo sclata cleagann ar toin a bhaile" (pardon my rusty fast spelling.) That transliterally means "I hit the board of my head on the arse of the house"...ie "I hit my forehead on the back of the house".