On the edge of one's seat

Definition & Meaning of "on the edge of {one's} [seat]"

on the edge of one's seat

used when one is attentively watching or listening to someone or something with great interest or excitement

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

The origin of the phrase "on the edge of one's seat" is not definitively known, but it is believed to have emerged in the early 20th century. The expression likely originated from the physical posture of someone who is highly engaged or excited, leaning forward and perched on the edge of their seat. It is often employed when discussing thrilling or suspenseful experiences, such as watching a suspense movie, attending a live performance, or following a gripping sports event.

Example

The suspense in the movie built steadily, keeping the audience on the edge of their seats.

The author worked diligently to compose a gripping mystery novel that kept readers on the edge of their seats.

The shocking twist in the plot of the movie kept viewers on the edge of their seats.

The new psychological thriller kept me on the edge of my seat with its unexpected twists and turns as the detective unraveled the mystery behind the crime.