ace in the hole

ace up one's sleeve

A surprise advantage of which others are not aware.

bate an ace

To make the least abatement or reduction.

blow a hole through

To destroy the integrity or cohesion of.

burn a hole in someone's pocket

To cause someone to spend money or be tempted to spend money.

crawl into a hole

To hide or disappear due to feelings of extreme embarrassment, shame, or helplessness; to withdraw from reality.

dig a hole for oneself

To take an action or create a situation from which it is difficult to extricate.

dig oneself in a hole

To put oneself in even more trouble.

dig out of a hole

To save someone or something from trouble.