IdiomDaily LifeFrench

De but en blanc

Meaning: Point-blank; abruptly and without preparation.

Literally: From butt to white

Example: “Au milieu du dîner, elle m'a demandé de but en blanc si j'étais heureux.” — Halfway through dinner, she asked me point-blank if I was happy.

English equivalent: Out of the blue

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Origin: From archery and early gunnery, where the but was the mound the target stood on and the blanc the white center. A shot taken straight from one to the other travels flat, without the arc of a ranged shot — hence directness.

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