‘pipsqueak’: meanings and origin

a person or thing that is insignificant or contemptible—1910—originally (1900): a type of small high-velocity shell, with reference to the high-pitched sound of its discharge and flight

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‘Mexican overdrive’: meaning and origin

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

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‘Tardis’: meanings and origin

various meanings, in particular: something with a larger capacity than its outward appearance suggests—UK, 1968—the name, in TV series Doctor Who, of a time machine outwardly resembling a police telephone box, yet inwardly much larger

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‘keytar’: meaning and origin

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’

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‘fudge factor’: meaning and origin

a factor speculatively included in a hypothesis or calculation, especially to account for some unquantified but significant phenomenon or to ensure a desired result—USA, 1947

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‘hovercraft’: meanings and origin

a vehicle which travels on a cushion of air—UK, 1958, apparently coined by engineer Christopher Sydney Cockerell—also, USA, 1958, in the sense of “a flying car”

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a British phrase: ‘to go like a bomb’

from the image of a speeding explosive projectile—primary meaning (of a motorcar, an aircraft, a motorcycle, an animal, a person): to move very fast—later (also ‘to go down like a bomb’ and ‘to go down a bomb’): to be very successful or popular

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‘Dutching’: meaning and origin

UK, 1989—the practice of sending food destined for the British market for irradiation in a country, typically the Netherlands, where this process is permitted, in order to mask any bacterial contamination before it is put on sale—from ‘Dutch’ and the suffix ‘-ing’, forming nouns denoting an action

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