bee's knees
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be the bee's knees
To be exceptionally great, excellent, or high-quality. Have you ever tried the pistachio gelato at this place? It's absolutely the bee's knees! I'm so crazy about the girl I've started seeing. I think she's the bee's knees, and I don't care who knows it!
See also: knee
the bee's knees
dated slang Something or someone highly enjoyable, desirable, or impressive, especially in a fancy or elaborate way. Tom's new Cadillac is really the bee's knees! Boy, that singer last night was the bee's knees, wasn't she?
See also: knee
bee's knees
Something that's excellent. This nonsensical phrase that was popular in the 1920s was, like “the cat's whiskers,” the equivalent of today's “really cool” or “it's amazing!” It went the way of such faddish expressions, which is to say, out.
See also: knee