Tin-foil-hat Definition
noun
A piece of headgear made from one or more sheets of tin foil, aluminium foil, or other similar material, the hats worn in the belief that they act to shield the brain from such influences as electromagnetic fields, or against mind control and/or mind reading.
Wiktionary
Other Word Forms of Tin-foil-hat
Noun
Singular:
tin-foil-hat
Plural:
tin-foil-hats
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