American English—a surge of extremely cold air which causes rapid falls in temperature and severe wintry weather in central and eastern areas of the United States and Canada—after ‘Trans-Siberian Express’, the name of a railway running from Moscow to Vladivostok on the Sea of Japan
UK—‘the Beast from the East’ (2011): polar continental air mass, which brings wintry conditions—‘the Pest from the West’ (2012): mild air from the Atlantic, which brings strong winds and heavy rainfalls
the demand that an extraterrestrial makes to the first human being or animal it encounters after alighting from its flying saucer—USA, 1956—from a cliché in science-fiction stories
UK, 1851—is or jokingly denotes a threat made by a member of the public to write to the London newspaper The Times to express outrage about a particular issue
US 1960—person of whom only one aspect is known; continual phenomenon—from the one-sided continuous surface formed by joining the ends of a half-twisted strip