Tinfoil Hatter is a normally derogatory nickname for a conspiracy theory buff, as the stereotypical image of one usually includes a tinfoil hat worn on the head to block out the mind control waves or chemtrails.
Did you hear that Ryan got coded at school for wearing a tinfoil hat around class?
Dang, I knew he was paranoid, but not that much of a tinfoil hatter!
by sebacostamr November 23, 2018
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