watch your mouth!
INFORMAL
This page is about the conversational phrase watch your mouth!
Meaning
You can say this if someone has said something that's made you angry.
For example
- "You're an idiot, mate!"
"Watch your mouth, you little prick!" - Pierre said, "Americans are so ignorant," and an American guy who'd heard him said, "Watch you mouth, buddy!"
Contributor: Matt Errey