Meaning:
to drop a dime means to make a phone call, usually calling the police to inform on or betray someone.
Examples:
- Ok, since this is going down tonight, what do we do, drop a dime on Mueller with the cops?
- I knew you wouldn't drop a dime on me.
- I'm loyal and I won't drop a dime.
- You don't think she's going to drop a dime?
- If you drop a dime over in that stall, don't stoop over to get it.
- If I come around or try anything, he's gonna drop a dime.
- I drop a dime, she's gone.
- Now all you have to do is drop a dime on it, baby.
- Who asked you to drop a dime on Lennox?
- If you drop a dime over in that stall, don't stoop over to get it.