up the duff
Proposed by a contributor, not yet supported by evidence.
Register: colloquial, slang
Examples
Lynda up the duff—what odds do you put on that, eh, Mr Clever Dick, eh? That's shut his gob. That's put a crease in his brand-new suit.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Advertisement
Ad space — ads help keep Idiomer free. Premium will remove them.
Common questions
What does “up the duff” mean?
Pregnant.
Is “up the duff” formal or informal?
up the duff is generally colloquial, slang.
Advertisement
Ad space — ads help keep Idiomer free. Premium will remove them.