TO RIDE THE BLACK DONKEY, verb. phr. (costers’).—1.  To cheat in weight.

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  2.  (common).—To sulk; to be in ill-humour. Also see quot. 18[?].

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  1868.  BREWER, Dictionary of Phrase and Fable, s.v. RIDE THE BLACK DONKEY. To be pigheaded, obstinate like a donkey. Black is added, not so much to designate the colour, as to express what is bad.

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  1888.  C. J. DUNPHIE, The Chameleon, 182. We ourselves describe a man in the sulks as RIDING THE BLACK DONKEY.

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