bee's knees

The phrase "bee's knees" is an idiomatic expression used to describe something or someone who is excellent, exceptional, or highly admirable. The term originated in the 1920s during the Jazz Age and is often paired with other similar phrases like "cat's pajamas" or "cat's whiskers." However, its true origin and reasoning behind its use are unclear. It is primarily used in informal or colloquial speech to convey enthusiasm or praise for someone or something.