jump-out n. a (sudden) arrest made by undercover police using unmarked vehicles; a police officer or detective who makes such an arrest. Also jump-out boys, jump-out gang. (source: Double-Tongued Dictionary)
Further reading
Barbara Kingsolver’s book Demon Copperhead is a retelling of Charles Dickens’ David Copperfield set in today’s Appalachia. Martha shares memories of a long-ago visit to Kingsolver’s family farm in Virginia, where they...
Mark in Scranton, Pennsylvania, calls about a phrase he heard on an old detective show: drop a dime. It means “to inform on someone” or “tip off the police,” and comes from the practice of literally dropping a dime into a...