Obs. Also blackpot, black pot. A beer-mug (cf. BLACK-JACK); a toper.

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c. 1590.  Greene, Fr. Bacon, v. 122. I’ll be Prince of Wales over all the blackpots in Oxford.

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1636.  Heywood, Love’s Mistr., II. Iugg, what’s shee but sister to a black-pot.

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1818.  Scott, Hrt. Midl., xxxii. A whole whiskin, or black pot of sufficient double ale.

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