chug-a-lug
Pronunciation: (chug'u-lug"), [key]
— v., adv. -lugged, -lug•ging,
—v.t.
- to drink (a container of beverage) in one continuous draught.
—v.i.
- to drink a beverage in one continuous draught.
—adv.
- in one continuous draught: drinking their soft drinks chug-a-lug.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.