colloquialism vs banger

colloquialism and banger both are nouns.

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

colloquialism (noun)	banger (noun)
a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech	firework consisting of a small explosive charge and fuse in a heavy paper casing
	(British informal) pork sausage