Plot device: "I wish that anyone who calls Meg a name would turn into whatever they called her!"
http://transform.to/~zach/cgi-bin/st...2672329MaleKim
This starts many threads where people knowingly or unknowingly exploit this, making themselves or Meg prettier or uglier.
Starting
here to
here is a thread where some girls become trolls and dogs, some girls become the most beautiful in the world, and a witch makes herself young, beautiful and super-powerful.
Another thread from
here to
here with transformations mostly in the classroom setting.
(Since the "Whole story so far" links are out of order, the easiest way to read is to start from the end of the thread and go up/backwards in the story until you reach the start.)