UK, 1808—to make one’s beliefs or intentions plain—from the former practice of nailing an ensign to the mast of a ship, after damage during battle resulted in the ship’s colours no longer being clearly displayed, which otherwise might have been interpreted as a signal of surrender
USA, 1775—to do or say something remarkable or startling—the precise underlying notion in the choice of ‘Dutch’ is not clear—‘Dutch’ occurs in a number of derogatory or derisive English phrases
UK, 1928—of a public-house: very basic and lacking in comforts—refers to the former practice of covering the floor of a public-house with sawdust into which customers spat
the name of a decree issued in Nazi Germany in December 1941, under which individuals suspected of resistance or other underground activities were arrested and deported suddenly and without trace, frequently during the night—by extension: any situation, event, etc., characterised by mystery, obscurity or secrecy
Australia, 1940—means ‘speedily’—refers to the tram service between Sydney, New South Wales, and Bondi Beach, a popular beach located 4 miles east of Sydney city centre
reply to any request for somebody’s whereabouts—Australia, 1944: slang of the Australian armed forces during WWII—original meaning: absent without leave
Australia and U.S.A, 1944—purportedly applied by the British and the Australians to the U.S. soldiers stationed in their respective countries during World War II—British self-deprecating retort: ‘underpaid, underdressed, undersexed and under Eisenhower’