Duff up

What is Duff up?

Duff up definition and meaning on Dictionary terms:
noun
(in Continental Europe) the male ruler of a duchy; the sovereign of a small state.
a British nobleman holding the highest hereditary title outside the royal family, ranking immediately below a prince and above a marquis; a member of the highest rank of the British peerage.
a nobleman of corresponding rank in certain other countries.
a cultivated hybrid of the sweet and sour cherry.
dukes, Slang. fists; hands: Put up your dukes.

verb (used with object), duked, duk

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