Definition & Meaning of "cheesed off"

What is the origin of the idiom "cheesed off" and when to use it?

The exact origin of the idiom "cheesed off" can be traced back to British English. The phrase likely emerged in the mid-20th century, possibly deriving from the British slang term "cheese it," which means to stop or desist. The phrase is often used when someone is irritated by a series of events or ongoing circumstances that have tested their patience. It can be used to vent about minor daily annoyances, such as traffic jams or long queues, as well as more significant frustrations, like dealing with difficult people or encountering setbacks.