Is an individual who acts as if they are owed something in this life for their "supposed" greatness. They're demeanour is ripe with attitude, and they frequently look their noses down upon everyone else around them.
Katherine Heigl. Now that she is a movie star her behaviour has become unprofessional, over the top, and elitist. As a result she has become a caricature of herself, thus becoming known as a Heiglpuss. Christian Bale is the male version of a Heiglpuss.