PUMAs?
From the article, a 'new' acronym, one that I am sure will be short-lived ...
Other websites have sprung up to denounce Democrats for picking Obama. One - called PUMA, an acronym for the sentiment “Party Unity My Ass” - features postings by Clinton supporters saying they will never vote for Obama, even if it means electing McCain.
It helps to read the story: Party Unity My @ss