The idiom "the early bird catches the worm" means that the person who takes action first will gain an advantage over others. It suggests that acting quickly and taking initiative can lead to success.

The idiom "cross swords" means to engage in a disagreement, argument, or conflict. It is often used to describe a situation where two or more people or groups are opposing each other and cannot reach an agreement. This idiom can also be used to describe a physical fight between two people.

The idiom "head over heels" is an English expression that means to be completely enamored or infatuated with someone or something. It can also mean being extremely emotional, passionate, or overwhelmed by a situation or task.

The idiom "kick the bucket" is used to describe someone who has died or passed away. It is considered a euphemism for saying that someone has died, and it is often used in informal language.

The idiom "you're on" means that someone is about to start doing something, or that they have already started but are not yet ready to tell anyone else about it. It can also be used as a way of encouraging someone to do something or to congratulate them on starting something new.