bootleg
v.— «As the railcars were about to turn around to head back to Strasburg, a commuter train en route to Lancaster and Harrisburg whooshed by on adjacent tracks about 100 feet away.…Narcoa members risk expulsion if they “bootleg,” or trespass on rails without the owner’s permission.» —“Putt-Putting Along the Rails” by Dave Caldwell New York Times Aug. 8, 2008. (source: Double-Tongued Dictionary)
Further reading
In 1968, students at Cheyenne High School in Cheyenne, Wyoming, compiled a collection of their own slang, including the word Clyde, used to refer to one’s head, as in Use your Clyde! This is part of a complete episode.
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