English

Alternative forms

• tinfoil hattery

Noun

tinfoilhattery ‎(uncountable)

1. (slang, pejorative) The belief in and/or propagation of conspiracy theories.
   • 2002 October 20, Fin Fahey, “Re: Planet X Debate Enterprise2002 vs J.William Dell”, in alt.usenet.kooks, Usenet:

     It is irrelevant what his identity is - particularly since you have told us, in your little bit of tinfoilhattery above, that you refuse to reveal yours.

   • 2008 October 7, Ed Pirrero, “Re: somewhat OT: militarized and federalized police”, in rec.autos.driving, Usenet:

     More weird spin on your part. Taking stuff that's not made up, then trying to cram it all together into something that is made up, that's tinfoilhattery.

   • 2012 June 2, Davis, “Re: What do you think of the new Google Discussion Groups?”, in alt.religion.scientology, Usenet:

     I joined 'Why We Protest' a few years ago, and after making one or two posts, I got a private reply from one of the moderators, who declared that I was being put on probation for the crime of "tinfoilhattery" or some nonsense like that.

   • For more examples of usage of this term, see Citations:tinfoilhattery.