What kind of monster loves to dance? The boogeyman.
Why don't clams share their toys? Because they are shellfish.
When is a door not a door? When it's ajar.
Why did the chicken cross the road? To get to the other slide.
Knock Knock. Who's there? Boo. Boo who? What are you crying about?!
Knock Knock. Who's there? Woo. Woo who? What are you so excited about?!
These few very bad jokes elicit peals of laughter from my 6-year-old. So of course I love to hear them over and over again.