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paranoid...as in M. Night Shama-lama-ding-dong's movie Signs, the kids put tinfoil hats on their heads to protect them from the aliens.
R - I think Attorney General Eric Holder and Oprah's boyfriend Stedman Graham are the same person.

M - OMG...R's gone tinfoil on us
by Rebecca G March 02, 2009
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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.
by MikepNova March 06, 2009
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Quasi-mystical aluminium foil that (if worn in the ears) can filter out reception of most left and right wing chaff.
1st person: "You are both scum and an idiot and possibly traitorous if you do not think like me"

2nd person: "I'm not hearing you, I have my tinfoil hat on"
by G. Willikins April 28, 2005
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N.
1. Poor mans pipe
2. Poor mans grill
3. A wrapping substance to keep food fresh
Tin foil is commonly used for important stuff... Just kidding...
by Steverpower December 12, 2006
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(Proper noun) A person who believes in wild conspiracy theories about 9/11 or the moon landings.
It was a lecture on the phenomenology of banality in the media. I placed my notebook on my desk and peered down into the bowels of the amphitheatre, where a figure was showing a graphic presentation with commentary: "...the conspiracy theorists stick doggedly to a silly story about 19 Arab hijackers somehow managing to commandeer 4 planes simultaneously and fly them around US airspace for nearly 2 hours, crashing them into important buildings, without the US intelligence services having any idea that it was coming, and without the Air Force knowing what to do..." droned the bearded, long-haired lecturer, quoting the skeptic's acerbic critique of mainstream responses to the attacks.

My classmate Mike leaned across and whispered in my left ear: "How long do we have to listen to this burnt-out hippie tinfoil with his wild theories about everything?
by Zoschenko May 17, 2018
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a very hot girl

not fat

skinny or average

very sexual

a whore

the best at sex

amazing person

the bestest friend ever

a great girlfriend

mostly white and preppy
1. Michelle is hot.

2. I banged Michelle yesterday.

3. Michelle is looking good.
tin-foil
by fattyDONTFORGETme December 04, 2011
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n. In the 1940s strips of tinfoil were dumped from planes to shield them from radar detection. Now the word is applied to any event or announcement which shields a politician by deflecting the focus or attention of the press and public.

.................................
Middle east peace plan, chinese viral apocalypse, pretty big news day!

Just tinfoil my naive friend. Just tinfoil.
by gnostic3 January 30, 2020
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