Fortress of Stupitude

the impenetrable shell in which dwell people who's superstitious beliefs and/or antiquated opinions are unswayed by science, evidence, and irrefutable proof.

Don't bother trying to explain evolution to that guy. I've tried for years. Even our college professors gave up. He's listened to too much Glenn Beck and Rush Limbaugh and watched too much Fox News. Now he lives in a Fortress of Stupitude.