knock out of the box

box clever

To act wisely.

box oneself into a corner

To create a predicament or problem for oneself; to do something that leaves one with no good alternatives or solutions.

box seat

A favorable vantage point.

box someone's ears

To slap someone on the side of the head, usually as an informal punishment.

box the compass

To make a complete reversal in stance or opinion.

come from a Cracker Jack box

To obtain or retrieve something that is useless, cheap or fake.

don't knock yourself out

Don't overexert yourself (in doing something that does not require much effort).

get one's shine box

Used as an insult.