watch (one's) mouth

(redirected from watch my mouth)

watch (one's) mouth

To be very mindful or cautious about what one says; to control what one says in order to avoid offensive language. Watch your mouth! I don't care how you speak at home, that's not how we talk here. After being threatened with detention for my snide remarks in class, I knew I had to watch my mouth for the rest of the semester.
See also: mouth, watch

watch your ˈmouth/ˈtongue

be careful what you say in order not to offend somebody or make them angry: Now, you just watch your mouth around your grandparents, Billy! OPPOSITE: shoot your mouth off (about something)
See also: mouth, tongue, watch
References in periodicals archive ?
He said: "I usually swear a lot but I swore a great deal more, when making the film and my wife kept telling me to watch my mouth and not to swear around the kid.
When my mother told me to "watch my mouth," I would cross my eyes and literally try to watch my mouth, just to be a smart-aleck.
I have to constantly watch myself, watch my mouth and who I hang out with," she added.
I have to watch my mouth around them and can't act crazy because they're so sane.