Check out her Rules of YA Genre post, but not somewhere people are going to scowl at you for laughing out loud: http://kierstenwrites.blogspot.com/2011/08/rules-of-genre.html
Awesome Excerpt #1:
Dystopian: Must have a main character with the letter X or Z in their name. If you have no characters with Xs or Zs, you are doing it wrong and you have not written a dystopian.
Awesome Excerpt #2:
Paranormal Romance: Must describe the love interest boy as well-muscled at least once per chapter. Also the words "brooding" "mysterious" and "agony" have to feature prominently. Type of creature that the boy is does not matter, so long as he mysteriously broods in well-muscled agony.