English - English
Definition of tin-foil hats in English English dictionary
- tin-foil hats
- plural form of tin-foil hat
- tin-foil hat
- 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