slang vs plastered

slang is a noun but plastered is not a noun.

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

slang (noun)	plastered (noun)
a characteristic language of a particular group (as among thieves)
informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar

slang (adjective)	plastered (adjective)
	(of walls) covered with a coat of plaster
	(of hair) made smooth by applying a sticky or glossy substance
	very drunk