What do you call someone with a dictionary in their pocket?

Anyone know the formula for water? Sure! H, I, J, K, L, M, N, O.

What's 90 degrees and never incorrect?

What do you call a tired tree?

Who invented King Arthur's round table?

Bears love exotic cars.

On Thanksgiving, what does Dad have in common with a baseball player?

What do your grandma and the internet have in common?

Why is a doctor always calm?

Why did the pig go to the casino?

What is a math teacher's favorite sport?

Why don't dentists get along with manicurists?

What do you call a handsome runner?

Why does the sun love to go back to school?

Where do tough ducks come from?