St Mungo and His Cup

We all know, of course, that St Mungo is the patron saint of Glasgow. He lived about the 6th century AD and was sanctified for his good works and a few miracles which you may read about on Wikipedia, if you will. Now we all know that in Glasgow talking about such things can bring one close to a beating-up if one says it to the wrong people in the wrong part of the city, particularly if they are in a bad mood because they haven’t won anything for a while...