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