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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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Oct 30 Word of the Day
A trick played on a fellow athlete where the open hand smacks the target's testicles with the knuckles in a sharp, wrist flicking motion.
"Dude, I sack tapped Brandon, and now he has the whole team trying to sack tap me"
by Chris M July 07, 2004
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2
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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3
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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4
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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5
An unproven theory, thought or idea that often has a large amount of evidence pointing contrary, usually used in a form of humor, satire or sarcasm. It is often used to convey in text messages the content is not to be taken seriously.
"I just bought a Birds Aren't Real Hoodie"
"That is some nice tinfoil."

"Christopher Columbus fell off the flat earth in 1492, and was reinstated in our history by aliens to keep us complacent in thinking the world was round *tinfoil intensifies*"
by Manabrave October 02, 2020
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6
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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