Top Definition
The brain chain is a linear sequence of human intelligence levels. At the top of the classic brain chain we have our Einsteins. At the middle there are moderately intelligent people. At the bottom, there are ordinary people. The top of the brain chain consumes the middle, the middle consumes the morons, similar to the process of the food chain.
"Toby thinks Japan is in Europe. He truly is on the bottom of the brain chain."
by dorifuto March 20, 2014
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