Answer:
You can do this with your friends. You can do this with your nose. But don't do it with your friend's nose!
A blue house has blue bricksΝΎ a yellow house has a yellow bricks. What is a green house made of?
Hearing something unexpected or touching a live wire can have this effect.
What is the middle of water but is not an island?
What is broken if you say its name?
It is something you will never see again.