publicada por MacGuffin aka Carlos do Carmo Carapinha às
"What have you there?" asked one of the men.
"Oh, that's a MacGuffin," replied his companion.
"What's a MacGuffin?".
"It's a device for trapping lions in the Scottish Highlands."
"But there aren't any lions in the Scottish Highlands!"
"Well, then, I guess that's no MacGuffin!"