Palin said yesterday on FOX News that, "I feel fire in my belly" - what the he// does that mean?

You didn't just fall off the turnip truck, did you? It's a saying. Go to any number of websites to inform yourself. She's gearing up to announce. Isn't it obvious? Maybe you don't want her to run, but we'll leave that to a different, inane question you might like to ask.