# run at the mouth

idiom

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

## Meaning

To speak ceaselessly or without end.

## Examples

- He runs at the mouth and never lets anyone else speak.
- I tried to focus on the movie, but the person behind me kept running at the mouth the entire time.
- The politician ran at the mouth for hours, offering endless excuses while failing to address the actual concerns of the voters.

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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.