mouth off
verb
mouthed off; mouthing off; mouths off
informal
: to talk in a loud, unpleasant, or rude way
He got in trouble again for mouthing off to his teacher.
She's always mouthing off about how much better she could run the company herself.
Examples of mouth off in a Sentence
Recent Examples on the Web
Next, McQuoid and his team spent months developing the signature fight scene at the Tarkatan village, in which Johnny Cage mouths off to Baraka.
—
Aaron Couch, HollywoodReporter, 14 May 2026
And Brinson could tell that this new inmate, Jennifer Gomez, was raging — fighting with other inmates, mouthing off to the guards.
—Alex Morris, Rolling Stone, 19 Mar. 2026
His biggest expression forever has been fighting or mouthing off.
—Dalton Ross, Entertainment Weekly, 20 Oct. 2025
Episode 4 flips the script on the trope of a friend screwing up by mouthing off to the wrong person at the worst time.
—Ben Travers, IndieWire, 6 Aug. 2025
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Aaron Couch, HollywoodReporter, 14 May 2026
And Brinson could tell that this new inmate, Jennifer Gomez, was raging — fighting with other inmates, mouthing off to the guards.
—Alex Morris, Rolling Stone, 19 Mar. 2026
His biggest expression forever has been fighting or mouthing off.
—Dalton Ross, Entertainment Weekly, 20 Oct. 2025
Episode 4 flips the script on the trope of a friend screwing up by mouthing off to the wrong person at the worst time.
—Ben Travers, IndieWire, 6 Aug. 2025
Cite this Entry
“Mouth off.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mouth%20off. Accessed 20 May. 2026.
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