chugalug
verb
chug·a·lug ˈchə-gə-ˌləg 
chugalugged; chugalugging
transitive + intransitive
informal : to drink a container of liquid (such as beer) without pause
The bartender put a [glass] of wine on the bar in front of him … . [He] chugalugged it and put the glass down on the bar.
Robert B. Parker
Robert B. Parker also : to drink greedily : guzzle
Word History
Etymology
imitative
First Known Use
1945, in the meaning defined above