- a person’s bottom
- Are you just going to sit around on your duff all day?
Word Originnoun mid 19th cent.: of unknown origin.Definitions on the go
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Idioms
See duff in the Oxford Advanced American Dictionaryup the duff
- (British English, slang) pregnant
- He got her up the duff.
- She was sixteen and up the duff.
Check pronunciation:
duff