What is the origin of the idiom "by the seat of one's pants" and when to use it?

The idiom "by the seat of one's pants" has its origins in aviation. It refers to a situation where a pilot has to rely solely on their instincts and experience rather than relying on instruments or external guidance. This idiomatic expression is used to describe a situation where someone is operating or making decisions based on intuition, improvisation, or a lack of proper preparation.

What is the origin of the idiom "fly by the seat of one's pants" and when to use it?

The idiom "fly by the seat of one's pants" originated from aviation and is used to describe a situation where someone is navigating or making decisions based on instinct, intuition, or experience rather than relying on instruments or formal plans. It is used to convey a sense of improvisation, taking risks, and making split-second judgments. The phrase suggests operating in a situation with limited information or preparation, relying on one's own judgment and quick thinking.