a person exercising an insidious or corrupting influence, especially over a ruler, government, etc.—UK, 1917—refers to Grigori Efimovich Rasputin (circa 1869-1916), mystic and influential favourite at the court of Tsar Nicholas II
wealth gained in one generation of a family will be lost by the third generation—USA, 1874—refers to a hard-working man wearing a shirt with nothing over it
UK, 1869—a mechanised full-size model of a bull, simulating the movement and behaviour of a bull (particularly in a corrida), used in public entertainments
1599—a person with whom one chats, a partner in informal or friendly conversation—now, more specifically: a person with whom one communicates via online chat or messaging
It has been said that ‘(as) right as a trivet’ an alteration of ‘(as) tight as a rivet’. But the latter phrase, which postdates the former, originally meant ‘extremely tight’, not ‘thoroughly or perfectly right’.
mania for holding public office—USA, 1829—a borrowing from Spanish ‘empleomanía’, from ‘empleo’ (i.e., ‘employment’) and the suffix ‘‑manía’ (i.e., ‘-mania’)
1974: a person who tries to fit into a particular cultural scene—1970: an actor who performs a minor role in a stage play—from ‘scene’ and the suffix ‘‑ster’, forming agent nouns