Drop (one's) teeth American phrase
The phrase means to show the reaction of surprise when something happens.
I don't drop my teeth when I know he to steal my money.
Many people seem to drop their teeth when I and my boyfriend got married 3 months ago.
The verb "drop" should be conjugated according to its tense.
Daughter: So I really want all my friends to have a great time. I was thinking it would be a good idea to have some candy out on the tables for people to snack on.
Mother: Well, if you want them to really enjoy themselves, candy is dandy but liquor is quicker.