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
UK, 1890—USA, 1899—the humorous phrase ‘the nineteenth hole’ denotes the bar room in a golf clubhouse, as reached at the end of a standard round of eighteen holes
USA, 1936—the facts about sexual reproduction, especially as explained to a child—when this phrase appeared, ‘birds’ and ‘bees’ had long been commonly paired in literary allusions
1980s—to become wildly or explosively angry; to become highly excited or enthusiastic; to intensify rapidly and especially alarmingly—refers to the failure of a guided missile’s guidance system (1966)
USA, 1953—value for money, return on an investment—originally used of military spending on nuclear weapons—‘bang’ denotes a nuclear explosion, ‘buck’ denotes a dollar
USA—‘asphalt jungle’ 1920—‘concrete jungle’ 1924—designate a city or urban area which has a high density of large, unattractive, modern buildings and is perceived as an unpleasant living environment
USA, 1855—used of a situation in which it is difficult to distinguish cause and effect—refers to the traditional problem of which came first, the chicken (to lay the egg) or the egg (to produce the chicken)
USA, 1923—in motorsports: to win a race—refers to ‘checkered flag’, denoting a flag with a black-and-white checkered pattern, displayed to drivers at the end of a race
to take heroin by heating it and inhaling the fumes, which form a pattern resembling the tail of a dragon—originated in Hong Kong in the 1950s as a translation of Cantonese slang ‘chui lung’, ‘dragon chasing’
USA, 1977—to be mentally stable—usually depreciatively in negative contexts, as ‘not to have both oars in the water’—refers to the necessity of dipping both the oars into the water to keep a rowing boat steady and steer it in a straight line