When a person builds up something so much that it takes a life of it's own. To Brag about something exagerate.
My father would tell all his friends that I was the best attorney in town, when in fact I was only attending a pre-law class at Jr. College. I was a total Victim of Overhype!
Can be used to say to describe a state of high elation.
I am feeling totally overhyped after watching that bboying vid! It was sick!
Christmas is totally overhyped, it's not even gone October yet and we're already being bombared from every direction with it, as if preparing for it were the single most important oncoming event in our lives.
I wrote my twelve page essay on quatum mechanics only to find a mispelled word on the third sentence of my second paragraph with overtype mode on. Needless to say, I was not happy.