What do you say to the person who invented zero?

What's a forklift?

Knock knock. Who's there? Euripides. Euripides who?

Does an apple a day really keep the doctor away?

How did the geologist get down from the mountain?

Why do cows always skip gym class?

Why did the skeleton attend the backyard barbecue?

What do you call a fish wearing a bowtie?

Why was the dog arrested by the police?

What did Adam say on the day before Christmas?

What's a writing utensil's favorite state?

Why were dancers in the '70s always sick?

What's a cat's favorite song?

What do Scottish toads play?

Why were the flies playing football in a saucer?