Joe and Jim were in a locker room when Joe noticed that Jim had a cork up his butt.
Joe asked, "How'd you get a cork in your ass?"
"I was walking along the beach and I tripped over an old lantern. There was a puff of smoke, and then a man in a red turban and funny shoes came oozing out. He said, 'I am a Genie. I can grant you one wish.'"
Jim replied, "And I said, 'No shit!'"