The hype surrounding the murder trial.
Hyped the new book by sending its author on a promotional tour.
All that coffee really hyped me up. The kids were hyped up even before the party began.
A hyped-up fanatic.
Ads going on and on about the virtues of a product, some of which are overstated, are an example of hype.
When you anticipate and plan for something a lot and get yourself all excited, this is an example of a situation where you hype yourself up.
When you advertise a product by extolling its virtues and going on and on about how exciting the product is, this is an example of a situation where you hype the product.