Verb
(obsolete, Britain, transitive) To finish a beverage; to empty a cup by drinking the contents.
Lift your glass and drink it out!
(rare, intransitive, by extension from eat out) To drink alcohol in a pub, bar, restaurant or other public establishment.
Source: en.wiktionary.orgSuch was the discipline of the navy at that time, and such the anxiety to conform to the law of Congress against spirituous liquors, that no officer or man in the service would take a drink out of a bottle unless it was marked 'Medicine. David Dixon Porter
People get bent out of shape about the fact that when I was a kid, you could not drink out of certain water fountains. Well, the water was the same. Clarence Thomas
I go into solitude so as not to drink out of everybody's cistern. When I am among the many I live as the many do, and I do not think I really think. After a time it always seems as if they want to banish my self from myself and rob me of my soul. Friedrich Nietzsche
I absolutely relate to being alone in squalor, trying to come up with something adequate. I relate to that, and I've been known to crawl out of bed and drink out of a 2-liter bottle of Diet Coke. Diablo Cody
Do not spit into the well that you might need to drink out of. Russian Proverb
You drink out of the old cup. Xhosa Proverb