watch one's mouth

Hierarchy: 
Description: 
{{idiomatic|chiefly|US}} {{non-gloss definition|In the imperative form, used as a warning to avoid or stop using inappropriate language, especially profanity, or disrespectful utterances}}.
Ngram Text: 
watch one's mouth
Source: 
Wiktionary
Issue: 
0
Ngram Count: 
3