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commonly used when someone does/says something stupid.
refers to someone being more dumb then the general public or a group of people
Person 1: i never knew cows made milk
Person 2: are you kidding me, where did you think milk came from?
Person 1: I don't know

Person 2: yeah, your not the brightest kid in the cabbage patch
by the brightest kid May 10, 2011
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