meal ticket vs colloquialism

meal ticket and colloquialism both are nouns.

Word	Noun	Adjective	Verb	Adverb
meal ticket	Yes	No	No	No
colloquialism	Yes	No	No	No

meal ticket (noun)	colloquialism (noun)
coupon redeemable at a restaurant and entitling the holder to a meal	a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech
a source of income or livelihood