run one's mouth off

A form of run off at the mouth — To talk excessively.

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Meanings

verbrun one's mouth off (third-person singular simple present runs one's mouth off, present participle running one's mouth off, simple past ran one's mouth off, past participle run one's mouth off)

present singular third person runs one's mouth off · participle present running one's mouth off · past ran one's mouth off

  1. alternativeAlternative form of run off at the mouth.

    I ran my mouth off a bit too much, oh, what did I say? / Well, you just laughed it off, it was all okay

    2004, Modest Mouse, “Float On”, in Good News for People Who Love Bad News
Cite this entry
APA

run one's mouth off. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/run%20one's%20mouth%20off

MLA

“run one's mouth off.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/run%20one's%20mouth%20off. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “run one's mouth off,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/run%20one's%20mouth%20off.

Source: run one's mouth off on Wiktionary, CC BY-SA 4.0.