Why did the professor write on the window?

Why did the music teacher need a ladder?

How many letters are there in the alphabet?

What do you call dogs that rarely bark?

Why do cubes make great referees?

What is a toilet's favorite hand in poker?

What did the mother broom say to the baby broom?

Why do rocket scientists take everything so seriously?

What do you call your favorite brother-in-law?

What sport can waiters play really well?

What did the light bulb say to the lamp on Valentine's Day?

Why do basketball players like cookies?

What do cats use to take notes in meetings?

What kind of pants do fish wear?

What did the judge say when a skunk walked into the courtroom?