Okay, so the rules are simple. The person above you makes a wish, and you grant it, however, you add on something to ruin it.
In example:
Guy A: I want a puppy!
Guy B: Granted, but it’s blind and deaf, I wish for a mansion
Guy C: Granted, but it’s made out of leaves in the middle of a hurricane, I wish for a new TV.
Guy D: Granted, but it’s 3 inches wide, I wish for a…
…And so forth and so forth, I’ll start off:
I wish for a printer.