what does the "bees knees" phrase exactly mean?
I heard that phrase in a movie.. there was a person setting in police station who accused of a crime and there was a detective asking him some questions. after that the detective passed a cigarette to the accused person, he toke one breath and says: "this is the bees knees product!"
can anyone here explain what he main exactly? and why "bees" not "ants" :)

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Answer

This idiom basically means something excellent. I'm usually loath to just post up a link, but here it is:

http://www.phrases.org.uk/meanings/the-bees-knees.html

Has a nice rhyme, don't you think? :)

Answer

"Bees knees", among others such as "the cats meow", is a figure of speech meaning something is neat, useful, attractive, or positive in any general way. Somebody might a feature on a new phone is the "bees knees" because it is so nice.
in this context  "bees knees" means  this cigarette has a good  taste and mildness among others.

Answer

it 's a slang . bees knees = a thing that is wonderful and marvelous ,which refers to the good quality of cigarette .