The phrase "Dragon" is a new Kiwi/New Zealand stereotype.
Similar to "Emo" or "Scene", the Dragon stereotype is a mix of many stereotypes, someone is a "Dragon" if they stand out in a crowd, similar to how a Dragon would stand out in a crowd of people.
Ways to pick a Dragon
-Colorful hair/Wacky outrageous hair styles
-Colorful unique/Stand out Clothes
-Possibly goth, emo or scene as long as there unlike other people and stand out.