yakfestWiktionary 原文英美构词拆解yakyak词干fest-fest后缀-festA 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 yak + -fest.释义名词noun1(informal, sometimes derogatory) A session of chatter or gossip.