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
UK—1879 “where the monkey put the shells”—1892 “where the monkey put the nuts”—with reference to the anus, this slang phrase expresses contemptuous rejection
the movement of the hand in brushing away flies—first recorded in 1967 in a speech by Fred Chaney, Member of the Australian House of Representatives—variants: ‘the Queensland salute’; ‘the Barcoo salute’
UK, 1710—in ease and luxury—refers to the use of clover as fodder, as explained by Samuel Johnson in A Dictionary of the English Language (1755): “To live in Clover, is to live luxuriously; clover being extremely delicious and fattening to cattle.”
Australia, 1900: rabbit meat—later also: rabbits—‘mutton’, denoting a choice meat, was derisively substituted for ‘rabbit’, denoting the inferior meat that had to be eaten when butcher’s meat was too costly
USA, 1939 in The Grapes of Wrath, by John Steinbeck—a piece of homespun philosophy meaning that a man must do what he feels needs to be done, even if it is dangerous or undesirable
UK, 1909: expresses the speaker’s good faith—literally, in Scouting for Boys (1908), by Robert Baden-Powell: the honour on which a Scout promises to obey the Scout Law