Two Welch Ladies at the Bar

I was in a pub on Saturday night, had a few and noticed two
large women by the bar. They both had strong accents so I
asked, "Hey, are you two ladies from Scotland ?"
One of them chirped, "It's WALES you idiot!"
So, I immediately apologized and said, "Sorry, are you two
whales from Scotland ?"

Then the lights went out…..