The Monkey's Paw

Want to make a wish? Just ask the Monkey's Paw! No strings attached*.

(*) Satisfaction not guaranteed. Wish may backfire unexpectedly.

Just create a post that starts with "I wish ___" and wait for other users to write how your wish didn't turn out how you expected.

If you're feeling inspired, you may even use the wish as a sort of writing prompt.

Example:

Title: I wish for more wishes.

Answer: Granted. A piece of paper the size of a business card appears in your hand with 4 dotted lines for you to fill out your wishes and a little checkbox in front of each. Now to find someone who will grant those...