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English definition of “that's done it!”

that's done it!

informal
said when someone or something has caused damage or a difficulty: "That's done it!" said Anna as she looked at the damage. "Now I really will have to get a new car."InterjectionsSounds used as interjections
(Definition of that's done it! from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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Translations of “that's done it!”

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