noun. A keen, wingnut-detecting sense.
Related terms: gaydar, straightdar, bi-dar, loserdar, jailbaitdar, moron-dar, sexual-geniusdar, "someone is staring at my ass"-dar, weirdo-dar.
Real citation: "Oh yeah… I missed Schmidt BIG TIME! That was one ugly swing.
For some reason I could just not see her winning. I guess I need to adjust my wingnutdar"
(Ohio 2nd, June 15, 2005, http://sierra-faith.com/index.php/2005/06/14/ohios-2nd-congressional-district)
Made-up citation: “Given the ever-lowering sanity level of a country where most people believe in angels and the President, I have had my wingnutdar surgically removed to stop the migraines.”