subs. (thieves’).—1.  Sheet-lead used for roofing. Fr., doussin; noir. Cf., BLUEY.

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  2.  (old).—A blow.

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  1539.  LYNDSAY, Ane Pleasant Satyre of the Thrie Estaitis, Works [LAING, 1879], ii. 73. And to begin the play, tak thair ane FLAP.

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  Verb (thieves’).—1.  To rob; to swindle. For synonyms, see PRIG and STICK.

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  2.  (common).—To pay; ‘to fork out.’ Cf., FLAP THE DIMMOCK.

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  3.  (venery).—To possess a woman. For synonyms, see GREENS and RIDE.

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  TO FLAP A JAY, verb. phr. (thieves’).—To swindle a greenhorn; to SELL A PUP (q.v.).

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  1885.  Daily Telegraph, 18 Aug, p. 3., col. 1. He and three others of the ‘division’ had ‘cut up’ £70 between them, obtained by FLAPPING A JAY, which, rendered into intelligible English, means plundering a simple-minded person.

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  TO FLAP THE DIMMOCK, verb. phr. (common).—To pay. [From FLAP, a verb of motion + DIMMOCK = money]. Cf., FLAP.

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