IdiomDaily LifeFrench

Un coup de Trafalgar

Meaning: A sudden catastrophic reversal, often felt to be underhand.

Literally: A Trafalgar blow

Example: “La démission surprise du trésorier a été un coup de Trafalgar pour le club.” — The treasurer's surprise resignation was a stab in the back for the club.

Origin: Trafalgar in 1805 destroyed the Franco-Spanish fleet and any prospect of invading Britain. The French phrase carries a distinct note of having been dealt with unfairly, which the historical record does not especially support.

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