Wow, you're right. Told several times over. OK. How about this one: Dr. Jones was new in town, and after a particularly bad day at the hospital, he decided he would go to a bar for a drink. When he got there he discovered that the bar-tender specialized in making daquiri's. Jones thought, Why not try one? So, Dr. Jones ordered a daquiri with some walnut shavings on top for extra flavour and discovered that it was the best thing he had ever tasted. This daquiri with walnut shavings was so good that he went there the next day after work for another one, and the next day, and the next day, always ordering the same drink. After some time the bartended got to know Dr. Jones and could figure out when he would arrive at the bar and he would get his daquiri ready for him before he arrived. One day, the bartender realized he was out of walnuts to shave onto the drink, so he substituted hickory nuts for the walnuts. Dr. Jones came in to his pre-prepared drink, took a sip and immediately spit it out, demanding: "This isn't my usual, barkeep, what is this?" The bartender replied "It's a hickory daquiri doc..."