A Liverpudlian story!

[Spuffler]

A work colleague of mine, some years ago, was on the telephone to a colleague in America. He was in an ebullient mood, having just handed his notice in, and decided to tell the Yank a joke.

"What's the difference between Batman and a Scouser?" Then, "A Scouser can't go out without robbin'!"

The Yank said, "What's a Scouser?" Explanation followed. Then, "Why is that funny?" More explanation.
Then, "Ian, are you aware that you're talking to a room full of people on a speakerphone? Ethnic jokes don't go down very well in the Yoo-nite-ed States!!"

"Ooooooops......gulp........."