IdiomDaily LifeFrench

Savonner la planche à quelqu'un

Meaning: To sabotage someone quietly so they fail.

Literally: To soap someone's plank

Example: “Ses propres collègues lui ont savonné la planche avant l'entretien annuel.” — His own colleagues pulled the rug out from under him before his annual review.

English equivalent: To pull the rug out from under someone

Equivalents in other languages

Origin: A soaped plank cannot be walked on, and the person crossing it has no way to see that it has been prepared. The sabotage is deniable, which is the point.

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