bird dog
n.—Gloss: A person who guides an electrical crew to a repair site. «“There’s a lot of sign language for ‘don’t touch,’” said Andy Janosz, a switchman with PSNH in Manchester and the crew’s local “bird dog.”» —“Utility crews on scene in state speak 1 language” by Trent Spiner Union Leader (Manchester, New Hampshire) Dec. 19, 2008. (source: Double-Tongued Dictionary)
Further reading
The word filibuster has a long and colorful history, going back to the days when pirates roamed the high seas. Today it refers to hijacking a piece of legislation. Plus, the language of yoga teachers: When doing a guided meditation, you may hear...
A flashlight emits a steady beam of light. So what’s the flash part of that word about? Also, if you’re a nervous Nellie, you’re skittish and indecisive—both characteristics of an American politician who earned that nickname in the...