e'go trip" Informal.
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.
e•go-tripPronunciation: (ē'gō trip", eg'ō-), [key]
—v.i., -tripped, -trip•ping.
to behave in a self-serving manner.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.