A person who believes in conspiracies, specifically the types that fly in the face of reason, such as the faked moon landing or the government behind 9/11. Named for the famous image of a conspiracy nut wearing a tin foil hat to ward off mind controling radio waves the government unleashes on the unsuspecting populous.
Bob: I'm telling you, the government was behind 9/11!
Steve: Shut up and stop being such a fucking tin-foil.
conspiracy theorists, whether the conspiracy is real or contrived. Usually convinced that whatever politician they dislike is a "reptillian alien" and that standard jet exhaust contrails are actually chem-trails of chemicals being sprayed down on the earth by the Illuminati.
The name originates from the belief that we are being brainwashed by mind control beams, and only hats made of foil or tin will keep the evil brainwaves out.
That guy over there is a card-carrying member of the tin foil hat club.
Tin Foil Hat, also tinfoil hat, or tfh, a general term for a piece of headgear made from one or more sheets of tin foil, aluminium foil, or other similar material. Some people wear the hats in the belief that they act to shield the brain from such influences as electromagnetic fields, or against mind control and/or mind reading. The concept has become a popularstereotype and term of derision; in Internet culture, the phrase serves as a byword for paranoia.
usually denoting some one as crazy. In later years to describe some one who usually believes everything is a conspiracy or illusion. Brought on by a belief that there is a invisible, intangible, army of Liberal Jew Communist, trying to control their mind with RF signals. So as a means of "defense" against the unreal onslaught against the LJCPMCM (Liberal Jew Communist Propaganda Mind Control Machine or media) they start covering their head with Tin Foil. Made famous by Mel Gibson, though mostly worn by the staff of the Fox News network.