subs. (old).—1.  A sixpence. [An abbreviation of CROOKBACK (q.v.).]

1

  1789.  G. PARKER, Life’s Painter, p. 178, s.v.

2

  2.  (general).—A thief; swindler; one who gets things ON THE CROOK (q.v.).

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  1887.  Orange Journal, 16 April. Strange as the statement may seem, the public know nothing of the work of a really clever CROOK, and the police themselves know very little more. The explanation of this ignorance is a very simple one. A CROOK whose methods are exposed is a second-rate CROOK.

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  ON THE CROOK, adv. phr. (thieves’).—The antithesis of ON THE STRAIGHT (q.v.). Cf., ON THE CROSS.

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  1879.  J. W. HORSLEY, ‘Autobiography of a Thief,’ in Macmillan’s Magazine, XL., 503. Which he had bought ON THE CROOK (dishonestly).

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  TO CROOK (or COCK) THE ELBOW, or the LITTLE FINGER, verbal phr. (popular).—To drink. [A French colloquialism, identical in meaning, is lever le coude; a hard drinker is un adroit du coude.] For synonyms, see LUSH.

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  1871.  DE VERE, Americanisms. TO CROOK THE ELBOW, is one of the many slang terms for drinking.

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  1877.  BESANT and RICE, With Harp and Crown, ch. xix. The secretary … might have done great things in literature but for his unfortunate CROOK OF THE ELBOW. As he only CROOKS it at night, it does not matter to the hospital.

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  1888.  Detroit Free Press, 3 May, p. 4, col. 1. I’ll … ask him to take a drink, chat with him while he CROOKS HIS ELBOW.

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