egofestWiktionary 原文构词拆分ego词根/词干+-fest后缀A festival, a fest; used in names of events. · (informal) Appended to a noun to denote a thing, especially an event or artistic work, characterized by the noun's referent.词源说明From ego + -fest.释义（英文）名词 Noun(colloquial) An event which purpose is celebration of oneself.