tinfoil hat
The term "tinfoil hat" is often used humorously to describe someone who believes in conspiracy theories or exhibits paranoid behavior.
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Definition
B2Popular Culture
(informal, derogatory)A person who believes in conspiracy theories or holds paranoid views.
Example
- He's always talking about government surveillance; he's a real tinfoil hat.
B2Humor
(informal, humorous)Headgear made from aluminum foil, worn to protect against mind control or electromagnetic fields.
Example
- She made a tinfoil hat to protect herself from alien mind control.
Similar
Terms that have similar or relatively close meanings to "tinfoil hat":