"The local media all use the same word for the situation a ‘plonter’ which is Yiddish for a problematic conundrum." (source)
"Prime Minister Winston Churchill pronounced it ‘not solvable.’ Margaret Thatcher, the chemist-turned-prime minister, used a laboratory term, calling it ‘insoluble.’ If they had spoken Yiddish, they would have called it a ‘plonter.’ Were they referring to the Middle East? No, they were describing the decades–old struggle between Catholics and Protestants in Northern Ireland." (source)