A vague invocation of popular convention when introducing a phrase or expression, which may be accompanied by attribution to a source or locale in which the phrase or expression is used.

Granting someone a limited concession will encourage them to take greater liberties.

Alternative form of let the chips fall where they may

Used to introduce, or alluding to, an apt adage.

(archaic) One should take immediate advantage of an opportunity that may not be available later.

(idiomatic) To allow events to unfold naturally; to accept what occurs without prejudice, worry, or regret.

Men are only interested in sex.

they will have

Alternative form of they-uns

(US, Midwestern US and Appalachia) They (third-person plural subject pronoun). / (US, Midwestern US and Appalachia) Them (third-person plural object pronoun).