‘Energizer bunny’: meaning and origin

USA, 1990—a persistent or indefatigable person or phenomenon—refers to ‘Energizer Bunny’, the name of a battery-operated toy rabbit represented as never running out of energy, featured from 1988 in a television advertising campaign for batteries

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‘to sell sand in the Sahara’: meaning and origin

USA, 1907—refers to the supply of something to a place where it is not needed—in particular, ‘could sell sand in the Sahara’ is applied to an efficient salesman, and, by extension, to a persuasive person

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‘ignorance is bliss’: meaning and origin

means that, if one is unaware of an unpleasant fact or situation, one cannot be troubled by it—coined by the English poet Thomas Gray in An Ode on a Distant Prospect of Eton College, first published in 1747

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‘a fox in a forest fire’: meanings and origin

USA, 1931—originated in sporting parlance—emphasises the meaning of the adjective it immediately follows—that adjective usually is ‘hot’ (used literally or figuratively) or describes agitation, erraticism

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‘pester power’: meaning and origin

USA, 1979—the children’s ability to pressurise their parents into buying something, or doing something for them, by continuing to ask for it until their parents agree to do it—originally referred to television advertising targeting children

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