A lecture about English
A linguistics professor was lecturing to his English class one day. "In English," he said, "A double negative forms a positive. In some languages, though, such as Russian, a double negative is still a negative. However, there is no language wherein a double positive can form a negative."

A voice from the back of the room piped up, "Yeah, right."

A guy bought his wife a beautiful diamond ring for...
A guy bought his wife a beautiful diamond ring for Christmas. A friend of his said, "I thought she wanted one of those sporty 4-Wheel drive vehicles." "She did," he replied. "But where in the hell was I gonna finda fake Jeep?"