A new passtime I picked up from a friend.

Go to google, and type a selection of words into the search section. Then hit search. Then read and laugh.

My favourite is "And so I finally decided to do something about it" as this catches people just as they are about to launch into a long and energetic diatribe about some pressing, usually interesting problem.

There are some other great ones, like "I'm totally straight, but..." or "I'm not one of those racists, but..."