n. an informer. (Underworld. Because an informer at one time could drop a dime in a public telephone and call the police or drop a dime on the sidewalk as a signal for the police to move in and make an arrest. See also drop a dime.) : I think that Taylor is the dime-dropper who caused the roust.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw-Hill Education.
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