high and mighty
- (idiomatic) Overbearingly arrogant; ostentatiously self-important or self-aggrandizing.
- Ever since she was placed in the gifted program, she's become so high and mighty that no one wants to be near her.
- (idiomatic) A social or economic group wielding undue power, influence or economic clout.
- The high and mighty are to be found at the Fairlawn Country Club on pleasant afternoons.