IdiomAnimalsEnglish

It's raining cats and dogs

Meaning: It's raining extremely heavily.

Example: “Don't forget your umbrella; it's raining cats and dogs out there.”

Origin: Popularized by Jonathan Swift (1738), but a near-identical form appears earlier in Richard Brome's play 'City Wit' (c. 1637), so Swift did not coin it. True origin uncertain.

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