Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-77.3.98.176-20140311185231/@comment-24589120-20140311234405

I think Stiles is a human and walked out of the door. The thing he vomits is the nogitsune. If you watch Teen Wolf carfully you can see a lot of possessed people around and the spirits possessing them uses the mouth to escape. For example Jackson vomits Peter Hale in s1e6 at 19:00. :)