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’
USA, 1917—originally and chiefly military slang—an inspection of the penis for venereal disease or other infection—the image is of the penis as an additional, but shorter, limb
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’
‘flabbergasted’, ‘astounded’—1925, Lincolnshire and Yorkshire, north-eastern England—in reference to the shock effect of being struck in the mouth, from the noun ‘gob’, denoting ‘the mouth’, and the adjective ‘smacked’, meaning ‘struck’
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
1932—coined after ‘croque-monsieur’—a toasted or fried sandwich filled with ham and cheese and topped with a poached or fried egg—but originally denoted any of various types of toasted or fried sandwich