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Idiom

spend a penny

idiom (verb phrase) B2
UK /spend ə ˈpeni/
US /spɛnd ə ˈpɛni/

To spend a penny means to go to the toilet to urinate.

spend a penny: To spend a penny means to go to the toilet to urinate.

Meanings

idiom (verb phrase)

To go to the toilet to urinate (a polite or humorous British way to say it).

Definition

Spend a penny is a British idiom meaning to go to the toilet, especially to pee. It comes from a time when public toilets required a penny to use. Today it is used as a polite or humorous way to excuse yourself. It is informal and more common in the UK than in the US.

Examples

  • I’ll be back in a minute—I just need to spend a penny.
  • He asked to spend a penny before we left the café.
  • Is there somewhere nearby I can spend a penny?
  • She slipped out quietly to spend a penny during the interval.

Common mistake

Learners sometimes use spend a penny in formal writing or with the meaning of literally paying money, but it is an informal idiom for going to the toilet.