(poker) A must-move game or table.

plural of must-move

A radio broadcast that one is strongly encouraged to listen to; an unmissable radio programme.

I must leave

A term of asseveration.

(idiomatic) One must finish what one has started; things must continue no matter what.

(idiomatic) There are so many cases of something; there are so many people or things doing a particular thing or having a certain trait.

(Australia) A jocular explanation for bad luck.

Used to express (often sarcastically) that someone has in some way displayed their ignorance, unfamiliarity, or incompetence.

Alternative form of cooler heads will prevail