What do you call two dentists that are very different?

What do you call a retired cowboy?

What did the doctor say when the nurse told him the invisible man was there?

What did summer say to autumn on their first date?

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

What did the clean dog say to the insect?

Why do plants hate algebra?

Why do kids love theater classes?

Why did the scientist hang the periodic table posters?

What vehicles are in the best shape?

What do you call a cow that eats your grass?

What are a schoolteacher's 3 favorite words?

How do frogs get to work?

In football math, what is a quarterback worth more than?

What's the perfect job for a cow?