An Irishman walking along the shore notices an old lamp lying among the rocks. He picks it up, rubs the dirt off of it and a genie comes out of the lamp. The genie tells the Irishman he will grant him three wishes. The Irishman says
"Well first off, I'd like a bottle of Guinness that never goes dry".
"Done" says the genie, and the Irishman is holding a bottle of Guinness. The Irishman promptly drinks it down and watches in delight as it magically fills back up. Again he drinks it down and watches it fill up. A third time he drinks it down, and by now the genie is becoming impatient.
"So what do you want for your other two wishes"? asks the irritated genie.
"Oh", replies the Irishman, "Just give me another two bottles like this one".