UK, 1860: used specifically of the political and commercial uniqueness or isolation of the United Kingdom—but used earlier, more generally, in reference to being cut off from one’s kind or from the rest of the world
UK, 1839—France, 1843—the best people in a group, or the best type of a particular thing—a borrowing from French ‘crème de la crème’, literally ‘cream of the cream’
USA, 1986—consent by nearby residents to the siting of something despite the fact that they perceive it as unpleasant or hazardous—acronym from ‘yes in my back yard’, after ‘NIMBY’
Australia, 1865 (nonce-use): the process of turning into a person of high social rank—UK, 1964 (coined by sociologist Ruth Glass): the process whereby middle-class people take up residence in a traditionally working-class area of a city
also ‘ring (a)round the bath(tub)’—USA, 1914—a dirty water-level mark left on the inside of a bathtub after it has been drained, caused by a combination of hard water and a build-up of soap scum, oils from bath products, etc.
has been colloquially used to express a great variety of notions, in particular ugliness and madness, but also unpleasantness, unpredictableness, agitation, disturbance, etc.
a person embodying the civilised qualities supposedly characteristic of both an officer in the armed forces and a gentleman—UK, 1749, in the Articles of War
the educated sections of society, considered as enjoying discussion of political, social and cultural issues—coined in 1980 by British journalist Frank Johnson, but had occasionally occurred from 1840 onwards
USA, 1954: a person who talks excessively—USA, 1964: a person who is addicted to talk radio—from ‘talk’ and the suffix ‘‑aholic’, forming nouns designating a person who is addicted to the thing, activity, etc., expressed by the first element
‘to spread [something or someone] like Marmite’ (1964)—‘like Marmite, a little goes a long way’ (1970)—Marmite is a savoury paste made from concentrated yeast and vegetable extract, used as a spread and for enriching soups and stews