colloquialism vs icky

colloquialism is a noun but icky is not a noun.

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

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

colloquialism (adjective)	icky (adjective)
	soft and sticky
	very bad