Answer:
What does a werewolf and a 50 year old woman have in common?
Some are clean and some are dirty, but all are meant to get a chuckle. Most like it, some takes offense from it.
What kind of cup has holes in it when it is new, is designed to withstand a heavy beating and should never be used for drinking?
Why do all kids want to be an astronaut?
What's at least 6 inches long, goes in your mouth, and is more fun if it vibrates?
Why was the cook arrested?