jerking off vs vernacular

jerking off and vernacular both are nouns.

Word	Noun	Adjective	Verb	Adverb
jerking off	Yes	No	No	No
vernacular	Yes	Yes	No	No

jerking off (noun)	vernacular (noun)
slang for masturbation	the everyday speech of the people (as distinguished from literary language)
	a characteristic language of a particular group (as among thieves)

jerking off (adjective)	vernacular (adjective)
	being or characteristic of or appropriate to everyday language