drop a dime on someone

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

To inform on (a person); to turn someone in.

Register: slang

Where it’s used: Used American English

Examples

It seems somebody has dropped a dime on you guys, and there is nothing more I can do.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “drop a dime on someone” mean?

To inform on (a person); to turn someone in.

Is “drop a dime on someone” formal or informal?

drop a dime on someone is generally slang.