Foil Fedora Share definition Flag Tinfoil hat that is commonly associated with conspiracy theories. Used to protect against unhealthy vibrations. That Kyle, Foil Fedora is on so tight these days, needs to lighten up. Foil Fedora by Kalani76 September 1, 2021 0 0 Get merch Get the Foil Fedora mug. Buy Now — $32.95 See more merch