What is blue and not heavy?

What occurs twice in a lifetime, but only once in a year, twice in a week, but never in a day?

What did the rug say to the floor?

What type of bean doesn't have protein?

What is a city, a vacuum, and a saying?

What do you put your drinks on in amusement parks?

What do you get if you cross a frog and a dog?

What does a queen bee do when she burps?

What do you call it when a dog is playing dead?

What do you call a very attractive aircraft?

Why did the two science teachers start dating?

What kind of books do boats write?

What do you call a waterfowl that reads Herman Melville?

What do fish do at parades?

What is a table you can eat?