1613—used hyperbolically of any impressive object, etc.—also applied ironically to a self-satisfied or arrogant person—refers to the seven wonders of the world, i.e., the seven most spectacular man-made structures of the ancient world
UK, 1710—in a situation in which any action one takes will have adverse consequences—‘cleft’, past participle of the verb ‘cleave’, means ‘split in two to a certain depth’—the image is of one being squeezed between the stick’s prongs
UK, 1955—‘cobblers’, short for ‘cobbler’s (or cobblers’) awls’, is rhyming slang for ‘balls’, i.e., ‘testicles’, and figuratively ‘nonsense’, ‘rubbish’
1885—a person who smokes continually, typically by lighting a cigarette from the stub of the last one smoked—loan translation from German ‘Kettenraucher’—originally referred to Otto von Bismarck
‘square eyes’ 1955: eyes fancifully imagined as made square by habitual or excessive television viewing; a person characterised as watching too much television—‘square-eyed’ 1953: affected by, or given to, excessive viewing of television
USA, 1883—deliberate transposition of the initial consonants of ‘plot’ and ‘thickens’ in ‘the plot thickens’—‘the plot thickens’, attested in 1672, means: the storyline becomes more complex or convoluted
British and Irish English, 1833—denotes qualified pleasure—also: ‘to give [someone] a poke in the eye (with a — stick)’, meaning to deprecate [someone]—from ‘a poke in the eye’, denoting something undesirable
UK, 1965—in sports such as rugby and soccer: a pass to a player likely to be tackled heavily as soon as the ball is received—the implication is that the player who receives the ball may end up in hospital, or, at least, be injured