midnight plumber
n.— «Why would thieves—midnight plumbers as the police call them—tear out the floorboards, toilets, even the walls of the homes, all in search of copper tubing?» —“With the Price of Copper Up, the Plumbing Can Go Missing” by Sean D. Hamill in Pittsburgh, Pennsylvania New York Times Nov. 27, 2006. (source: Double-Tongued Dictionary)
Further reading
Kim from Pittsburgh, Pennsylvania, remembers her Alabama-born mother asking, Where are you proging today? The word progue, also spelled prog, is a bit of dialect meaning “to poke around” or “to ramble.” In the UK, this word, from a Germanic root...
Joe Messina from Pittsburgh, Pennsylvania, wonders about the saying That’s it, Fort Pitt, meaning “That’s the end of it” or “We’re done.” The phrase goes back to a slogan for the Fort Pitt Brewing Company...