1265: the bees knees May 28, 2018
There are a lot of theories about where the phrase "the bees knees" referring to something outstanding, but as with many folk etymology, there is a bit of logically weeding to be done. One theory is that it comes from Italian immigrants to America saying 'business', but this doesn't work for two reasons: the phrase has been around for far longer than Italians were coming to the US, and it originally had the meaning of 'a small thing' so 'business' would not make sense as an derivation for it. Other theories include things such as how it would be related to the collection of pollen, and other biological ideas, but these don't hold up for similar reasons. The prevailing theory is that it went from meaning something small to something great on the pattern of other phrases like "the cat's pajamas", 'flea's eyebrows', 'the canary's tusks', and "the cat's whiskers", though not all of these slang terms from the 1920's have lasted the test of time.
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