Answer:
What is long, pink and wet and is rude to pull out in front of people?
It increases and decreases yet no one see it. It is not a fire and yet it can be quenched.
What is made of wood and metal and must be buried before it works?
How did the hipster drown?
What's get sharp the more you use it
What did the piece of wood say when he saw the screwdriver and screws approaching?