It's not a cougar nor is it high-end soccer gear, but a political acronym you could have heard when Hillary Clinton halted the roll call and released her delegates into the wild. PUMA [1] stands for "Party Unity My Ass," and, no, not the Democratic Donkey ass.

The term originated in the comment section of a pro-Clinton blog, and later became the name of a political action committee [2] protesting Barack Obama's place as the Democratic nominee. The term later underwent a PC transformation and now officially means "People United Means Action."

PUMAs can be found protesting the Democratic National Convention in Denver, encouraging a Clinton write-in campaign for November, or voting for John McCain.

Source [3]