vernacular vs blind drunk

vernacular is a noun but blind drunk is not a noun.

Word	Noun	Adjective	Verb	Adverb
vernacular	Yes	Yes	No	No
blind drunk	No	Yes	No	No

vernacular (noun)	blind drunk (noun)
the everyday speech of the people (as distinguished from literary language)
a characteristic language of a particular group (as among thieves)

vernacular (adjective)	blind drunk (adjective)
being or characteristic of or appropriate to everyday language	very drunk