grind (one's) teeth(redirected from grinding someone's teeth)
grind (one's) teeth
To feel anger and repress it. Don't just sit there, grinding your teeth—if you're mad at me, let's talk about it.
grind your teeth
If someone grinds their teeth, they are angry about something, but do not express their anger. We journalists, who once were just like him, grind our teeth as we contemplate his success. Note: You can also talk about grinding of teeth, teeth-grinding, and tooth-grinding. There has been much grinding of teeth about what is seen by the government as the harshness of the European Community's decisions. When you are a little boy of nine, your father can seem like a hero one minute, only to cause you tooth-grinding embarrassment the next.