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let one off

A discreet yet unmistakable euphemism for passing gas.

ˈlɛt ˈwʌn ˈɔf292 viewsLast reviewed Jun 29, 2026+ Add a definition
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#1·Apr 28, 2026

A discreet yet unmistakable euphemism for passing gas. To let one off is to fart — phrased in a way that somehow makes the whole business sound almost polite, like you're releasing a small package rather than clearing a room. The phrasing is classic British English indirectness: specific enough to be understood, vague enough to maintain a thin veneer of decorum. Used in casual conversation, comedy, and the universal experience of blaming it on the dog.

He let one off during the job interview and tried to cover it with a loud cough — it did not work.
Origin: Phrasal verb construction using 'let off' (to discharge, release) applied euphemistically to flatulence. Editorial expansion authored on Slangora.
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#2·Apr 27, 2026

(slang) To fart; to break wind.

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