drone car
n.— «Drone cars, as they’re called, were out in force this Memorial Day weekend. The driverless cruisers, parked along busy freeways, slow speeders merely by their presence.» —“Empty patrol cars make roads safer” News & Observer (Raleigh, North Carolina) May 29, 2007. (source: Double-Tongued Dictionary)
Further reading
Candace from Berea, Kentucky, got married a few weeks ago and wonders: At what point does a person start being a bride? When, if ever, do they stop being a bride? This is part of a complete episode. Transcript of “How Long is a Bride a Bride?”...
A law enforcement officer says he and his colleagues are curious about how the word pig came to be used as a derogatory term for police. This use has a long history that goes back more than two centuries. This is part of a complete episode...