Ego-trip

[ee-goh-trip, eg-oh-] /ˈi goʊˌtrɪp, ˈɛg oʊ-/

verb (used without object), ego-tripped, ego-tripping. Informal.
1.
to behave in a self-serving manner.
noun, Informal.
1.
an act or course of action undertaken primarily to satisfy one’s vanity or for self-gratification:
Her charitable activity was one long ego trip.
noun
1.
something undertaken to boost or draw attention to a person’s own image or appraisal of himself
verb (intransitive) -trips, -tripping, -tripped
2.
to act in this way

noun phrase

Something done primarily to build one’s self-esteem or display one’s splendid qualities: The pie-thrower said the guru was on an ego trip/ This isn’t any ego trip, taking a job in this administration

verb

: I was showing off, ego-tripping

[1960s+; based on trip, ”psychedelic narcotic experience”]
Behavior or activities undertaken mainly out of vanity or for self-gratification. For example, She’s really on an ego trip, trying out for the lead. [ 1960s ]

Read Also:

Egotistically
[ee-guh-tis-tik, eg-uh-] /ˌi gəˈtɪs tɪk, ˌɛg ə-/ adjective 1. pertaining to or characterized by . 2. given to talking about oneself; vain; boastful; opinionated. 3. indifferent to the well-being of others; selfish.
Eighty-nine
[ey-tee-nahyn] /ˈeɪ tiˈnaɪn/ noun 1. a cardinal number, 80 plus 9. 2. a symbol for this number, as 89 or LXXXIX. 3. a set of this many persons or things. adjective 4. amounting to 89 in number.
Eighty-niner
[ey-tee-nahy-ner] /ˈeɪ tiˈnaɪ nər/ noun 1. a person who began homesteading in Oklahoma in 1889.

Eighty-ninth
[ey-tee-nahynth] /ˈeɪ tiˈnaɪnθ/ adjective 1. next after the eighty-eighth; being the ordinal number for 89. 2. being one of 89 equal parts. noun 3. an eighty-ninth part, especially of one (1/89). 4. the eighty-ninth member of a series.
Eighty-one
[ey-tee-wuhn] /ˈeɪ tiˈwʌn/ noun 1. a cardinal number, 80 plus 1. 2. a symbol for this number, as 81 or LXXXI. 3. a set of this many persons or things. adjective 4. amounting to 81 in number.