paranoid...as in M. Night Shama-lama-ding-dong's movie Signs, the kids put tinfoil hats on their heads to protect them from the aliens.
R - I think Attorney General Eric Holder and Oprah's boyfriend Stedman Graham are the same person.
M - OMG...R's gone tinfoil on us
Quasi-mystical aluminium foil that (if worn in the ears) can filter out reception of most left and right wing chaff.
1st person: "You are both scum and an idiot and possibly traitorous if you do not think like me"
2nd person: "I'm not hearing you, I have my tinfoil hat on"