a standard or device for the measurement of foolishness or folly—coined by the British author Sydney Smith (1771-1845) in ‘Second Letter to Archdeacon Singleton, Being the Third of the Cathedral Letters’ (London, 1838)
USA, 1957—the rhythm method of birth control, as permitted by the Roman Catholic Church—with allusion to the unpredictable efficacy of this contraceptive method: from ‘Vatican’, denoting the authority of the Roman Catholic Church, and ‘Russian roulette’
UK, 1974—applied jocularly to any supposed network of prominent or influential Welsh people, especially one which is strongly nationalistic—a blend of ‘Taffy’, denoting a Welshman, and ‘Mafia’
UK, 1847—a fall in value, especially a reduction in wages—one of several expressions denoting the opposite in meaning of the noun qualified by the genitive case of ‘Irishman’—for example: ‘Irishman’s promotion’ (a demotion) and ‘Irishman’s hurricane’ (nautical: a flat calm)
‘serious trouble’—USA, 1866—from the image of taking off one’s shirt before getting into a fight, and from ‘hell’ in the sense of ‘a severe reprimand’, as in ‘to give someone hell’
used of a person who is frozen with fright or surprise, or is trying to flee, as a result of suddenly becoming the focus of attention—alludes to the habit of deer and rabbits of stopping still when dazzled by the headlights of a motor vehicle, or of running away within the headlight beam
‘femiphobia’ (USA) 1907—‘feminophobia’ (UK) 1914—an irrational fear or dislike of women—from Latin ‘fēmina’ (woman) and combining form ‘-phobia’—probably each coined on various occasions by different persons, independently from each other
Australia—meaning: (as a verb) to rest or spend time in an aimless, idle way; (as a noun) an instance or period of resting—origin: Army slang, Second World War, from the notion of lying on one’s back
UK, 1904—denotes gin (i.e., a clear alcoholic spirit distilled from grain or malt and flavoured with juniper berries)—‘mother’s ruin’ alludes to the evils caused by the consumption of gin