wag vs colloquialism

wag and colloquialism both are nouns.

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

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

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