1) A person who wears alumnium foil to block out the government's mind control rays. A conspiracy theory fan.

2) A person who is conducting a love affair with Russian motorcycles, such as the Ural or Dnepr.
(1) Art Bell is a foilhead.

(2) Me an a bunch of other foilheads got together and flew the chair.
by drykynmyky October 1, 2006
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tin foil in a persons hair, usually put in at a hairdressers to get a curly look
Could i have foilhead so i get the natural curl look
by Eddy bob July 7, 2015
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