het up vs colloquialism

het up is not a noun while colloquialism is a noun.

Word	Noun	Adjective	Verb	Adverb
het up	No	Yes	No	No
colloquialism	Yes	No	No	No

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

het up (adjective)	colloquialism (adjective)
worked up emotionally by anger or excitement
made warm or hot (`het' is a dialectal variant of `heated')