watch one's mouth
- (idiomatic, US) To be careful about what one says, especially with regard to disrespectful or profane language.
- (idiomatic, chiefly US) In the imperative form, used as a warning to avoid or stop using inappropriate language, especially profanity, or disrespectful utterances.
- 1995, "WATCH YOUR MOUTH," Time, 21 Dec:
- Daniel Spiegel, ambassador to U.N. offices in Geneva, won't be using his international platform as a political pulpit anymore.
- 2006, "Watch your mouth!," MSNBC.com / Associated Press, 29 Mar:
- Americans see profanity getting worse, poll finds.
- 2007, Dean Beeby, "Watch your mouth—'Hi, Jack' could mean 'hijack'," hfxnews.ca, The Daily News / Canadian Press, 11 July, Halifax (Canada):
- Airport security agency gives officers wiggle room on 'bomb jokes' problem.