The idiom "catch a cold" means to become infected with the common cold virus. It can also figuratively mean to suffer from something unpleasant or negative, such as a difficult situation or a bad mood.

The idiom "pay the piper" means to get what you want or need, but pay a price for it. It can also mean that someone else will pay the cost of your actions or decisions.

The idiom "back against the wall" means to be cornered or trapped, having no way out or options left. It can also mean being in a difficult situation where one feels threatened or vulnerable.

The idiom "hissy fit" refers to a temper tantrum or outburst of anger, often characterized by loud and violent behavior. It is thought to have originated from the sound of a cat hissing when it's angry.

The idiom "miles to go before I sleep" means that there is a long way to go or a lot of work left to do before something can be completed. It expresses the idea that one has not yet reached the end of their task, and that there are still many steps left to take.