تعريف ومعنى "[feast] {one's} eyes on {sb/sth}"

What is the origin of the idiom "feast one's eyes on somebody or something" and when to use it?

The idiom "feast one's eyes on somebody or something" originates from the figurative use of the word "feast." In its literal sense, a feast is a lavish meal or banquet characterized by abundance and enjoyment. However, when used metaphorically, "feast" implies indulgence, satisfaction, and delight in a particular experience. It is used to convey the idea of delighting in the visual appearance or beauty of a person, object, or scene. It suggests a sense of intense pleasure or enjoyment derived from looking at something that is visually appealing or captivating.