Definition & Meaning of "get one's panties in a bunch"in English

What is the origin of the idiom "get one's panties in a bunch" and when to use it?

The idiom "get one's panties in a bunch" is considered to be of American origin, but it does not have a well-documented historical source. It likely emerged in informal, everyday language without a clear historical record .It is used to describe someone becoming overly upset, agitated, or worked up over a minor or trivial issue, or reacting with unnecessary annoyance or irritation.