asshole vs slang

asshole and slang both are nouns.

Word	Noun	Adjective	Verb	Adverb
asshole	Yes	No	No	No
slang	Yes	No	Yes	No

asshole (noun)	slang (noun)
vulgar slang for anus	a characteristic language of a particular group (as among thieves)
insulting terms of address for people who are stupid or irritating or ridiculous	informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar