drop a dime



See dime#Etymology 2


drop a dime

  1. (idiomatic, slang) To make a phone call, usually means calling the police to report another's activities.
    He was in the back for a few minutes. Turned out he was dropping a dime on Ralph.
    • 1995, Clockers, 00:26:00:
      We got a crowd of black, white customers, out-of-state license plates, what have you. Somebody gonna check that out. They gonna drop a dime on me, call 911. With my jacket, I can't go back to jail.
Last modified on 19 June 2013, at 22:21