# potty mouth

idiom

Source: https://englishreference.com/idiom/potty-mouth
Updated: 2026-08-10

## Meaning

The characteristic of regularly using vulgar language, especially strong profanities.

## Examples

- You should stop using such a potty mouth at school.
- The teacher warned the student that his potty mouth would lead to a detention if he did not change his language.
- Despite his professional appearance and calm demeanor, he possessed a surprising potty mouth that emerged whenever he became frustrated with his colleagues.

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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.