ego trip
US /ˈiː.ɡoʊ ˌtrɪp/
UK /ˈiː.ɡoʊ ˌtrɪp/

1.
Egotrip, Selbstverherrlichung
an act or period of self-indulgent behavior, often motivated by a desire to impress others or boost one's own self-importance
:
•
His long speech was just an ego trip, full of self-praise.
Seine lange Rede war nur ein Egotrip, voller Selbstlob.
•
She accused him of being on an ego trip when he insisted on taking all the credit.
Sie warf ihm vor, auf einem Egotrip zu sein, als er darauf bestand, die ganze Anerkennung zu erhalten.