drain the cup vs drink

drain the cup is not a noun while drink is a noun.

Word	Noun	Adjective	Verb	Adverb
drain the cup	No	No	Yes	No
drink	Yes	No	Yes	No

As verbs, drink is a hypernym of drain the cup; that is, drink is a word with a broader meaning than drain the cup:

Other hypernyms of drain the cup include imbibe.

drain the cup (noun)	drink (noun)
	the act of drinking alcoholic beverages to excess
	the act of swallowing
	any liquid suitable for drinking
	a single serving of a beverage
	any large deep body of water

drain the cup (verb)	drink (verb)
drink to the last drop	be fascinated or spell-bound by; pay close attention to
	take in liquids
	consume alcohol
	drink excessive amounts of alcohol; be an alcoholic
	propose a toast to