Refers to someone who puts on airs, acts pretentiously, or is overly concerned with appearances and style.
He's a snob, always talking about high-class things.
I'm fed up with that affected person's attitude.
Compound of 気取り (きどり, 'affectation, putting on airs', from 気取る) and 屋 (や, suffix for a person with a certain trait or occupation).