mouse
n.— «Mouse or rat: The muscle from the calf section of a steer’s leg that must be removed.» —“Chicago Speak” by Anne Keegan Chicago Tribune Feb. 17, 1994. (source: Double-Tongued Dictionary)
Further reading
Need a slang term that can replace just about any noun? Try chumpie. If you’re from Philadelphia, you may already know this handy placeholder word. And there’s Queens, Brooklyn, Staten Island, Manhattan, and … The Bronx — why do we add...
The word dezzick is defined in an 1875 dictionary of the Sussex dialect as “a day’s work.” This is part of a complete episode.
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