to engage in pointless or futile activity in the face of disaster—USA, 1969—apparently first used, and perhaps coined, by Elizabeth Carpenter, press secretary for the wife of President Lyndon B. Johnson
USA, early 1930s—adjectives—‘little-girl-lost’: resembling (that of) a small girl who has lost her way—‘little-boy-lost’: resembling (that of) a small boy who has lost his way
‘stop talking (and get to the heart of the matter)’—UK, 1878—said to have been coined by circus proprietor Andrew Ducrow when apostrophising equestrian performers
Australia, 1970—as a noun and as a verb, refers to a high-speed drive in a motor vehicle—from the surname of the Argentinian motor-racing driver Juan Manuel Fangio
conventionally middle-class—UK, 1953—from ‘Mrs Dale’, the name of a conventional middle-class woman in Mrs Dale’s Diary, a BBC radio serial broadcast from 1948 to 1969
USA, 1982—characteristic, reminiscent or imitative of the films or television work of the U.S. filmmaker David Lynch (1946-2025)—also ‘Lynchean’, ‘David-Lynchian’ and ‘David-Lynchean’
UK, 1916—a scrawny girl or woman—may have originated in the title of a successful song (and in the name of an equally popular character) created in 1911 by the comedienne Lily Long