The idiom "piss and vinegar" refers to a person or thing that is sharp, witty, and quick-witted, often with a strong personality. It can also mean someone who is unpleasant or rude, especially towards others.

The idiom "on the line" refers to a person who is directly affected or involved in something, or someone who is immediately available to answer questions or participate in discussions related to a particular topic. It can also mean being committed to a course of action or decision.

The idiom "in hand" means that a situation or matter is within one's control or possession. It can also refer to a physical object or document that one possesses.

The idiom "banana republic" refers to a country that is politically unstable, corrupt and has weak institutions, often characterized by its dependence on imported goods, particularly bananas.

The idiom "come to grief" means to suffer a misfortune or disaster, often involving damage or loss. It can also refer to an event that leads to the end of something, such as a relationship or business.