Chug-a-lug Definition

chugəlug
chug-a-lug
verb
To drink in continuous gulps or in a single, long gulp; swill.
Webster's New World

(intransitive) To swallow (a container of beer etc.) without pausing.

Wiktionary
adverb

In continuous gulps.

Wiktionary
noun

(informal) A glugging sound, especially one made by a person drinking in large gulps.

Wiktionary