tinfoil hat (English, noun)
expansion: tinfoil hat (plural tinfoil hats)
Senses:
glosses: A piece of headgear made from one or more sheets of tin foil, aluminium foil, or other similar material; especially when worn in the belief that it shields the brain from electromagnetic fields or against mind control or mind reading.
glosses: A conspiracy theorist.
tags: derogatory
metonymically
Forms:
form: tinfoil hats
tags: plural
form: tin foil hat
tags: alternative
form: tin-foil hat
tags: alternative