slang. A drinking-glass. Hence Flicker v., to drink (Farmer).

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1677.  in Coles.

2

a. 1700.  B. E., Dict. Cant. Crew.

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1750.  Apol. Life Bampfylde-M. Carew, 338. Flicker, a drinking glass.

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1785–1823.  Grose, Dict. Vulg. Tongue.

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