tin-knocker
n.— «Guys like Jerry Gioia, 23, an air-conditioning duct worker (or “tin-knocker” as he prefers to be called) who lives with his parents in Bellmore, N.Y., and who, before last week, had seen exactly one Broadway show.» —“‘Spamalot’ Discovers the Straight White Way” by Jesse McKinley New York Times Apr. 10, 2005. (source: Double-Tongued Dictionary)
Further reading
Sean in Oneonta, New York, says that when he was growing up in New Jersey, his family would pile in the car and set off on a surprise adventure, whether a short distance or long, and the kids would be told only that they were going on Buxtehude...
Asthenosphere, a geologist’s term for the molten layer beneath the earth’s crust, sparks a journey that stretches all the way from ancient Greece to the author of Uncle Tom’s Cabin. Plus: What the heck is a dogberg? It’s when...