chug2Pronunciation: /tʃʌɡ/ (also chugalug) North American informalTranslate chug | into German | into Italian Definition of chug verb (chugs, chugging, chugged) [with object] consume (a drink) in large gulps without pausing:she chugged a glass of cola noun a large gulp of a drink:Chris took a long chug of his beerOrigin: 1950s: imitativechug in other Oxford dictionaries Definition of chug in the US English dictionary