偉がり

えらがり【偉がり】

self-importance; pretension(s) 《to something great》; priggishness; snobbery; 〔誇大妄想〕 megalomania.

●偉がりを言う boast; brag; bluff; talk big.

偉がり屋 a self-important person; a prig; a snob; a braggart.