Top Definition
This phrase simply means that you should watch what you are saying because the person saying this to you will most likely knock your teeth out of your oral cavity because they are not liking what you are saying.
Man, watch your teeth. I don't approve of that word that begins with an "N."
by Linden Mazur November 07, 2007
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.