Used in allusion to the belief that wearing a hat made from tinfoil will protect one against government surveillance or mind control by extraterrestrial beings.
‘you don't need to be wearing a tinfoil hat to understand that your privacy might not be as private as you would think’
'The whole thing is off-the-map nuts. I outght to be wearing tinfoil hat'
english
Optimized studying based on the forgetting curve vastly improves memorization. - What is reminDO?
Memorize