can-do vs slang

can-do is not a noun while slang is a noun.

Word	Noun	Adjective	Verb	Adverb
can-do	No	Yes	No	No
slang	Yes	No	Yes	No

can-do (noun)	slang (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

can-do (adjective)	slang (adjective)
marked by a willingness to tackle a job and get it done