IdiomDaily LifeFrenchCrude

Péter les plombs

Meaning: To lose one's temper completely.

Literally: To blow the fuses

Example: “Coincé trois heures dans les bouchons, il a pété les plombs.” — Stuck in traffic for three hours, he blew a gasket.

English equivalent: To blow a gasket

Other ways to say this

Origin: Lead fuses melted to break a circuit under overload, so blowing them was the system failing safely rather than catastrophically. French also says disjoncter, to trip out, from the same wiring.

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