Meaning of the word "drop a dime on" in English

What does "drop a dime on" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

drop a dime on

US /drɑp ə daɪm ɑn/
UK /drɑp ə daɪm ɑn/
"drop a dime on" picture

Idiom

1.

to inform the police or other authorities about someone's illegal activities

Example:
He threatened to drop a dime on his accomplice if he didn't get a larger share.
Someone must have dropped a dime on them, that's how the police found out.
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