sub vs. grinder

[Victor Steinbok]

The authoritative method of Anthony Bourdain taking the question to the
streets of South Boston: What's the difference between a sub and a grinder?

The answer from the locals was unequivocal--they are the same. And I
would not argue with those guys (they are from the local boxing gym).

     VS-)

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The American Dialect Society - http://www.americandialect.org