keggerEnglishOxford New American Dictionarykegger /ˈkeɡər, ˈkɛɡər / ▸ noun US informal a large party at which beer is served from a keg, typically attended by students or young people: I went to a fraternity kegger. ▪ a keg of beer: they buy keggers for their parties. – ORIGIN 1970s : from keg + -er1.