What does one-and-done mean?

The term "one-and-done" typically refers to a situation where a person achieves a desired outcome or completes a task in a single attempt, without the need for further effort or repetition. It is often used in contexts like sports, particularly in College Basketball, where a player participates for one season before entering the professional league. Additionally, it can apply to various scenariOS, such as a single-use product or completing a project in one go.