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a casual nerd knows alot about nerdly type things without actually being a nerd.can tell you alot about comic book heros without having read any comic books. knows alot about star trek but cannot tell you episodes or movie names. owned a commodore 64 but never ordered pizza with the "Sam" voice emulator.
"Wow, Tom knows alot about superman, he must have a big collection of comics". "No man, he doesn't collect that shit, he's just a casual nerd".
by slickass December 22, 2008
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