The idiom "go bananas" means to become extremely excited or crazy. It can also mean to lose control or behave recklessly. The phrase is often used to describe someone who has gone insane or is behaving erratically.

The idiom "carte blanche" is French in origin and literally means "white sheet." It refers to a situation where someone has complete freedom or authority to do something without any restrictions or limitations.

The idiom "fancy free" means doing something pleasantly or amusingly without any responsibility or obligation. It's often used to describe someone who is carefree and spontaneous, taking things as they come.

The idiom "all of a sudden" means without warning, unexpectedly, or instantly. It can also mean out of nowhere or from the blue.

The idiom "outbreak" refers to the sudden occurrence of a disease, illness, or disaster. It can also refer to a sudden spike or surge in something, such as violence or crime.