high and mighty
noun1
Idiomatic An arrogant or self-important person.
- My connection with these high-and-mighties ought to be purely professional, and so, in a manner, it is, but on the top of it I find myself drawn into a full-blooded, old haunted house mystery that takes me clean out of my depth.1923, Ernest Bramah [pseudonym; Ernest Brammah Smith], “(please specify the page)”, in The Eyes of Max Carrados, London: Grant Richards, →OCLC: