IdiomAnimalsFrench

Avoir une araignée au plafond

Meaning: To be a little crazy.

Literally: To have a spider on the ceiling

Example: “Mon oncle parle à ses tomates tous les matins ; je crois qu'il a une araignée au plafond.” — My uncle talks to his tomatoes every morning; I think he's got a screw loose.

English equivalent: To have a screw loose

Origin: The plafond (ceiling) is the top of the skull, and a spider up there suggests a neglected attic, cobwebbed and left untended: the head of someone a little odd. Wiktionnaire dates the phrase to the middle of the 19th century, and Littré records it in the 1860s as avoir une araignée dans le plafond, popular French for someone strange and a little mad.

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