The idiom "chow down" means to eat a lot or to consume food quickly and greedily. It can also mean to go out and have a wild party or to indulge oneself in something pleasurable.

The idiom "to see the back of" means to end, put an end to, or get rid of something, often something that is difficult or unpleasant. It can also mean to escape from a situation or person that is causing problems.

The idiom "buy time" means to purchase a short amount of time in order to gain more time or delay an action or decision that is urgent or important. It can also mean to get some additional time to complete a task, overcome a problem, or make a final decision.

The idiom "from pillar to post" means that someone is constantly moving around or changing places rapidly, without any clear purpose or direction. It can also indicate a lack of stability or continuity in one's life.

The idiom "clean slate" refers to a situation where someone or something starts fresh, without any previous history or record of wrongdoing. It is often used when someone wants to start over or reset their life or career after making mistakes.