tinfoil turban
n.— «At the fringe were what my friend David Gonzalez refers to as “tinfoil turban” types who believed (and probably still do) that nothing of the sort was happening—that those damn Communists were just trying to put the West off its guard.» —“Russia: Clawing Its Way Back Toward The Abyss?” by Tom Knapp Free-Market News Network Dec. 29, 2005. (source: Double-Tongued Dictionary)