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I went to www.ask.com - where I asked the question:
What does High Boy mean as in 1932 Ford Victoria High Boy?

And, halfway down the page, I found a reference to a great website:
www.hotrodsandclassics.net/hotrodslang.htm

According to them:
A-400: A convertible two door sedan built by Ford prior to 1932 ...
Highboy: A rod with no fenders or running boards and the body place high on the frame rails ...

And, now we both know!
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