pig
n.— «Bad jokes flew Friday after a flurry of media reports that a pig caused a train derailment in Saginaw County’s Carrollton Township. Only problem was, the “pig” was a slang reference to a propane tank.» —“Pig stories fly after train derailment” by Cheryl Wade Midland Daily News (Michigan) May 19, 2007. (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...
The slang term 4-55 air conditioning is means cooling a car by driving fast with all the windows down. This is part of a complete episode.
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