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"Troll brain" refers to what happens when your testicles are side-by-side and are pressed firmly against the clothing covering your testicles; which will leave you with a "troll brain."
When the coach leaned back in his chair, wearing sweat pants, he opened his legs to reveal his troll brain.
by Karl_Hungus June 21, 2005
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A rare internet troll.
A trollbrain uses more coherent posts or spam than regular trolls.
The greatest weakness of a trollbrain, and the main factor that sets it apart from a troll, is that it has the ability to feel pain due to flames.
Some trollbrain tried to argue the legitimacy of a flux capacitor with me!
by Trollbrain August 06, 2008
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