A man walks into a bar and says, "Excuse me, I'd like a pint of beer." The bartender serves the drink and says, "That'll be four dollars." The customer pulls out a twenty-dollar bill and hands it to the bartender. "Sorry, sir," the bartender says, "but I can't accept that." The man pulls out a ten-dollar bill and the bartender rejects his money again. "What's going on here?" the man asks. Pointing to a neon sign, the bartender explains, "This is a Singles Bar."

A horse walks into a bar. He walks up to the bartender and says "Give me a beer." The bartender is stunned, so he heads to the back of the bar to speak with the owner. "Hey boss" he says, "there's a horse in the bar asking for a beer." The bar owner pauses for a second, then replies "Well then give him one, but charge him double. Horses don't know the price of beer." So the bartender heads back out front and hands the horse a beer. "You know," says the barkeep, "we don't get many horses around here." To which the horse replies, "At these prices I'm not surprised."

A pirate walks into a bar and orders a drink. The bartender looks down and says, "You know that you have a steering wheel in your pants" The pirate replies, "Ay, it's drivin' me nuts."

A dog walks into a pub, and takes a seat. He says to the barman, "Can I have a pint of lager and a packet of crisps please". The barman says, "Wow, that's amazing! You should join the circus!" The dog replies, "Why? Do they need electricians?"

So Descartes goes into a bar late one night for a beer. At closing time, the bartender makes Last Call and asks him, "Get you another?" Descartes replies, "I think not." And disappears.