colloquialism vs wag

colloquialism and wag both are nouns.

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

colloquialism (noun)	wag (noun)
a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech	causing to move repeatedly from side to side
	a witty amusing person who makes jokes

colloquialism (verb)	wag (verb)
	move from side to side