A pretty nurse and an ugly one work in the same hospital ward. One day, the ugly nurse says to the pretty one "Have a look at the cock on that chap in the end bed, if you can. It's got "Ludo" tattooed on it."
The pretty nurse goes and finds an excuse to get his cock out and have a good look. She goes back to the ugly nurse and says "It's not "Ludo"....it's "Llandudno" "......