# run off at the mouth

idiom

Source: https://englishreference.com/idiom/run-off-at-the-mouth
Updated: 2026-08-10

## Meaning

To talk excessively.

## Examples

- Please stop running off at the mouth during the meeting.
- He kept running off at the mouth about his vacation, ignoring the fact that everyone else wanted to work.
- The politician continued to run off at the mouth, oblivious to the growing impatience of the audience as he repeated his tired talking points.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.