Australia—‘charity dame’ 1949—‘charity moll’ 1962—an amateur prostitute who charges less than the usual rate—from ‘Moll’, pet form of the female forename ‘Mary’, the noun ‘moll’ has long been used to designate a prostitute
USA, 1825—the phrases that are built on the pattern ‘(as) [adjective] as a meat-ax(e)’ intensify the meaning of the adjective—this adjective can be ‘savage’, ‘wicked’, or ‘mad’
left-handed: ‘molly-handed’, ‘mauldy’, ‘molly-dooked’—a left-handed person: ‘molly-hander’, ‘mauldy’, ‘molly-dook’—‘molly’ and ‘mauldy’ may derive from ‘mauley’, denoting the hand or fist; ‘dook’ is ‘duke’, denoting the hand or fist
a chaotic or disastrous situation that holds a ghoulish fascination for observers—UK, 1980, as ‘like viewing a car crash in slow motion’—USA, 1991, used without ‘like’ by George Colony, president of Forrester Research
1942—an arena of fierce or ruthless rivalry—borrowed from French: literally ‘basket of crabs’—the image is of crabs fighting, if not devouring one another, when kept in a basket
UK—1969: a type of collapsible trolley designed for use in the home—1970: a thing whose name the speaker cannot remember, does not know, or does not wish to mention—perhaps from ‘oojah’, ‘-ma-’ in nouns such as ‘thingamabob’, and the verb ‘flip’
UK, 1872—humorous—to obstruct a person’s view—chiefly used in ‘you make a better door than (a) window’, addressed to one who obstructs the speaker’s view
USA, 1955—diarrhoea suffered by travellers, especially in Mexico—alludes to the Aztec emperor Montezuma II (c.1466-1520), who was captured by the Spanish and died in captivity