1 definition by Steven Stamper, Billy Bozell

1. Two people who think alike
2. Conjoined twins connected at the skull
1. "Wow, I was thinking of pepperoni too! I guess that makes us brain brothers!"
2. "Being connected at the skull really sucks. I wish we weren't brain brothers."
by Steven Stamper, Billy Bozell July 16, 2007

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