The Salesman
A door-to-door vacuum cleaner salesman went to the first house in a new housing estate. He knocked on the door, and a lady opened the door. Before the lady could say anything, the salesman ran inside the living room and dumped cow dung all over the carpet "Madam," he said, "If this fantastic appliance can't clean all that dung, I'll eat every chunk of it.'' "You want ketchup to go with your dung?" the lady asked. "We've just moved into this house there's no electricity yet