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
Since the mid-20th century, with reference to garden tea parties, the phrase ‘cucumber sandwiches on the lawn’ and its variants have been used to characterise traditional Englishness.
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
USA, 1904—refers to the supply of something to a place where it is not needed—in particular, ‘could sell refrigerators to the Eskimos’ is applied to an efficient salesman, and, by extension, to a persuasive person
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
be totally focused on your objective—USA — already well established in 1932—originated in the image of God’s watchful eye upon the sparrow, with reference to the gospel of Matthew, 10:29-32
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
UK, 1918—a malediction, typically uttered as a parting shot after a quarrel—seems to have originated as one child’s threat to another—the reason the word ‘rabbit’ was chosen is unknown
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