subs. (colloquial).—1.  An obstinate person, male or female.

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  1891.  W. C. RUSSELL, An Ocean Tragedy, 131. I saw that he was a MULE of a man.

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  2.  (colloquial).—An impotent man.

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  3.  (printers’).—A day hand in the composing-room.

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  TO SHOE ONE’S MULE, verb. phr. (old).—To embezzle.

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  1655.  History of Francion [NARES]. He had the keeping and disposall of the moneys, and yet SHOD NOT HIS MULE at all.

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