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

What's the difference between a dog and a tree?

What horn never makes a sound?

What do soccer referees send during the holidays?

Why did the little boy take extra bread at communion?

Why are English teachers so smart?

Why couldn't the McNuggets® cross the road?

Why does Snoop Dogg always have an umbrella with him?

Why did the woman get mad at her husband when she asked him to pick up six cans of Sprite®?

What happened when the guy walked into the bar?

When do flowers get their workout in?

What did the bun do when its plans suddenly changed?

What is the definition of Robin?

What has ten letters and starts with G-A-S?

What superhero often gets mistaken for photography equipment?