drop a dime on someone

English

Etymology

Referring to the cost of making a phone call, i.e. to the police.

Verb

drop a dime on someone (third-person singular simple present drops a dime on someone, present participle dropping a dime on someone, simple past and past participle dropped a dime on someone)

  1. (slang) To inform on (a person); to turn someone in.
    • 1992, “Pinkerton's Inc. and Charles F. Keller”, in Decisions and Orders of the National Labor Relations Board, volume 295, page 540:
      It seems somebody has dropped a dime on you guys, and there is nothing more I can do.

Synonyms

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