a difficult, uncooperative or unsociable person—UK, 1829—from French ‘mauvais coucheur’, literally ‘bad bedfellow’, with original allusion to a person whom a traveller had to share a bed with when stopping over at an inn
a drink consisting of vodka and Clamato juice—Canada, 1969—coined after ‘Bloody Mary’—this drink is said to have been invented by bartender Walter Chell
an event or occasion at which the expected principal participant is not present—coined after ‘Hamlet without the Prince’—‘Lear without the King’ 1904—‘Henry V without the King’ 1964
USA, 1981—said to have been invented by cheerleader ‘Krazy George’—popularised worldwide during the 1986 FIFA World Cup in Mexico, as a translation of Spanish ‘ola’—hence the British phrase ‘Mexican wave’ (1986)
the practice of coasting downhill in a motor vehicle, with the engine disengaged—USA, 1949, lorry-drivers’ slang—one of the phrases in which ‘Mexican’ denotes basic devices or processes compared unfavourably with more advanced equivalents
a genre of popular fiction featuring wealthy and glamorous characters who typically engage in frequent sexual encounters and extravagant spending—USA, 1985 & 1986, in reference to British novelist Jackie Collins and U.S. novelist Judith Krantz
a synthesizer designed to be held in the manner of a guitar, with one hand playing a keyboard while the other operates controls on an extended handle—USA, 1979—from ‘key-’ in ‘keyboard’ and ‘-tar’ in ‘guitar’
‘raspberry’: a rude sound (suggestive of breaking wind) made by blowing with the tongue between the lips, as an expression of mockery or contempt—UK, 1888—‘raspberry’ (short for ‘raspberry tart’): rhyming slang for ‘fart’
Canada, 1970—the people who were born during the ‘baby boom’ of the years immediately following WWII, considered as a demographic bulge—any short-term increase or notably large group