Definition of duff noun from the Oxford Advanced Learner's Dictionary



BrE BrE//dʌf//
; NAmE NAmE//dʌf//
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  • (North American English, informal) a person’s bottom Are you just going to sit around on your duff all day?
  • Word Originnoun mid 19th cent.: of unknown origin.Idioms (British English, slang) pregnant He got her up the duff. She was sixteen and up the duff.

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