The rules are simple: You simply make a wish and the poster below you has to grant it. But it must be granted and twisted around to make it funny. Try to keep it at least somewhat POM related.
For example:

Me: I wish Rico could talk.
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Radom poster below me: Wish granted. Rico can talk, but only in a bad Arnold Schwarzenegger impression.

Random poster below me: I wish I could visit the penguins.
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Me: Wish granted. You've visited the penguins in the San Diego Zoo. You should have specified.

Ect.. Ect..
Ya know.. just something to do when you're bored. Have fun!