• I wondered why the baseball was getting bigger. Then it hit me.
• Did you hear about the guy whose whole left side was cut off? He’s all right now.
• I’d tell you a chemistry joke but I know I wouldn’t get a reaction.
• I’m reading a book about anti-gravity. It’s impossible to put down.
• Have you ever tried to eat a clock? It’s very time consuming.
• It’s not that the man did not know how to juggle, he just didn’t have the balls to do it.
• He drove his expensive car into a tree and found out how the Mercedes bends.
• I couldn’t quite remember how to throw a boomerang, but eventually it came back to me.
• I’m glad I know sign language, it’s pretty handy.
• Claustrophobic people are more productive thinking outside the box.
• I once heard a joke about amnesia, but I forgot how it goes.
• There was once a cross-eyed teacher who couldn’t control his pupils.
• I used to have a fear of hurdles, but I got over it.

OK, you can stop groaning now… hehehehe