What are a teacher's least favorite words to hear every summer?

Why do trees hate going to school?

Why was the janitor looking for cleaning products in the math department?

What do you call it when the ocean is calm around Christmastime?

What loaf of bread has a bad attitude?

Why do vampires always look sick?

Why did the two red blood cells break up?

Why did the astronaut's restaurant on the moon fail?

What did the mama goat say to her child?

Do you have a date for Valentine's Day?

What is an archer's favorite store?

How can you tell when a bird just passed gas?

What do nosey peppers do?

Why do kittens know so much about church?

What do you get if you cross a woodpecker with a carrier pigeon?