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
1973—someone or something that polarises opinions by provoking either strongly positive or strongly negative reactions, rather than indifference—proprietary name for a savoury paste made from yeast and vegetable extract, which is either loved or hated
indicates that a place or event is one to which guests may or should bring their own alcoholic drink—UK, 1858—USA, 1910—in early U.S. use, often referred to the prohibition of alcohol
a party to which attendees are encouraged to bring their own drinks, especially alcohol—‘bring-your-own-bottle party’: USA, 1923, in the context of Prohibition—‘bring-a-bottle party’: UK, 1928