Definition & Meaning of "bedroom eyes"

What is the origin of the idiom "bedroom eyes" and when to use it?

The idiom "bedroom eyes" is believed to have emerged in the early to mid-20th century. The term draws a connection between the seductive or alluring gaze of someone and the intimate atmosphere of a bedroom. It refers to a specific look or gaze that shows attraction or interest in a romantic or intimate way. It implies that someone is looking at another person with a strong desire or in a way that suggests they are interested in being closer.