Wonderful Bar, Murphy
It was Friday evening and having just been paid, Seamus and Murphy were trying to decide where to go that night. "I know" said Murphy, "There's a great club in town we ought to try."
"What's it like?" asked Seamus.
"Well you go into the club up to the bar where they give you a free drink. Then you go upstairs for a shag. Then you go back to the bar and have another free drink. After twenty minutes you go upstairs for another shag. After this you go to the bar again and have another free drink and then go upstairs again and have another shag! After this you go downstairs, have a final drink and leave. On the way out they give you a hundred quid and you go home."
"Christ!" said Seamus, "That sounds great. Have you been before?"
"No," said Murphy, "but my sister has"