colloquialism vs teensy-weensy

colloquialism is a noun but teensy-weensy is not a noun.

Word	Noun	Adjective	Verb	Adverb
colloquialism	Yes	No	No	No
teensy-weensy	No	Yes	No	No

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

colloquialism (adjective)	teensy-weensy (adjective)
	(used informally) little or tiny