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A very stupid child, with absolutely no hope of making anything substantial out of their life.
Their parents refer to them as a "child genius" to cover their pain and anger at their child's stupidity.
Christine: Hey, can I enter my son Job for the youngster intelligence challenge?

Wasteman who organises the competition: Sure, what's his IQ?

Christine: Oh, he doesn't have one, he's a real child genius.
by childgenius April 15, 2009
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