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 wife was berating her husband...
A wife was berating her husband. He motioned for her to quiet down saying, "Don't unleash the beast in me."The wife snickered and replied, "Unlike a lot of women, 'dear', I'm not the least bit afraid of a mouse."