mad vs colloquialism

mad is not a noun while colloquialism is a noun.

Word	Noun	Adjective	Verb	Adverb
mad	No	Yes	No	No
colloquialism	Yes	No	No	No

mad (noun)	colloquialism (noun)
	a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech

mad (adjective)	colloquialism (adjective)
roused to anger
very foolish
affected with madness or insanity
marked by uncontrolled excitement or emotion