a rebuke given in private by a wife to her husband—1625—from the idea that, in order to conduct herself properly, a wife was to rebuke her husband in secret only, i.e., in the privacy of their curtained bed
love or affection insincerely professed or displayed as a means of gaining a benefit or advantage—circa 1665—the image is of love given in return for food from a cupboard
the affected dandyism of the writers, artists, etc., associated with the aesthetic movement, which advocated a doctrine of ‘art for art’s sake’—UK, 1879—coined by George Du Maurier in cartoons published in Punch
the political, military or economical threat regarded as being posed by certain peoples of South-East and East Asia, especially the Chinese and the Japanese—UK, 1895—loan translation from French ‘péril jaune’
to react with shock or dismay, especially in response to something considered immoral, underhand or vulgar—USA, 1990—from an episode of the sketch-comedy television series In Living Color, broadcast on 15th April 1990
meaning: a person cannot be expected to behave in a manner that is not in their character—numerous variants—first recorded in 1731 as ‘If we petition a Hog, what can we expect but a grunt’
(humorous and frequently ironic) determinedly or stubbornly independent—USA, 1841—apparently refers to the extreme helplessness of a hog (i.e., a pig) on the ice
self-righteously or sanctimoniously virtuous, or professing to be so—UK, 1834—alludes to the Book of Isaiah, 65:5: “Stand by thyself, come not near to me; for I am holier than thou.”