#idiom 'take the biscuit'

INFORMAL•BRITISH

- be the most remarkable or foolish of its kind.
- If someone has done something very stupid, rude, or selfish, you can say that they take the biscuit or that what they have done takes the biscuit, to emphasize your surprise at their behaviour.
Examples:
- I’ve heard some excuses, but this really takes the biscuit!
- Now this just took the biscuit.
- This really takes the biscuit!!

Synonym:
take the cake especially American English

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