Verb: to change repeatedly one's attitude or opinions with respect to cause, subject, etc,; equivocate.
Back in my day that was just called 'changing your mind'.
Just read this article about the top words for 2011. After recovering from the shock of 'tergiversate' being considered a word, I am appauled that 'Kardashian' is now being considered a noun. Again, wasn't the old word for that just 'Diva' or in this case 'Socialite Diva'?
'iStuff'...well that one ispeaks for itself. I have a personal dislike towards many Apple products so I've never jumped on the iPhone bandwagon...oh did you hear they've been blowing up lately?
Tergiversate. Just don't do it.