Für den hier müsst Ihr Eure Englischkenntnisse herauskramen.
A man walks into a crowded pub in Soho, London. He orders a pint, later on another one. The people all seem in a very good mood und everybody there seems cheerful. When the man wants to leave and to pay for his beer, the bar keeper tells him, that all is paid for. The man with the little head was paying all drinks that night.
So he steps up to the man with the little head to thank him for his generosity. And really, this guy had a very, very little head. He introduces himself, thanks him for the beers and asks him, what the occasion was. The man with the little head says:
Ten years ago I ship wrecked in the Carribean. I was the sole survivor and swam to a deserted island. There, for all theses years, I lived off fruits, coco nuts and whatever I could catch fishing. Today I hooked a mermaid, a beautiful creature, and dragged her onto the beach. She was terrified and told me, that if I let her go, she would grant me three wishes. I was delighted and said, that first of all, she should get me off that wretched Island and get me to a friendly place with a lot of friendly people right after my last wish. That is why I am here, in this great pub. My second wish was, that I wanted to be rich. That is why I am buying all drinks tonight. Thirdly, after some deliberation, I told her that I had been alone on that island for many years and that she was a highly attractive female and that I wanted to have sex with her. She looked down at her scaly body, smiled and told me, that it was impossible to grant that wish. So I answered: "How about a little head then..."