A man walks into a bar with a pork pie on his head. He orders a drink and the barman asks, "Why are you wearing a pork pie on your head?"
The man replies, "It`s a long-running family tradition. We always wear pork pies on our heads on Tuesday."
To which the barman remarks, "Then I have some bad news for you – it`s Wednesday."
Sheepishly, the man says, "Oh dear, I must look like a real fool!"