1 definition by Claytopen

when one becomes instantly sexually aroused by something nerdy. this includes video game content, anime, cosplay outfits and costumes, and nerdy tattoos.
Neville: Dude, my girlfriend sent me a picture of her in her new costume... when I saw tabbie dressed as sexy Luigi I got such a nerdboner I had to go bust a nutt in the shower

Sam: Thats so fucking Nerdy!!

Neville: I got so turned when I thought about getting me a mario costume and fucking Luigi tabbie...

Sam: What the fuck?! Isn't that kind of gay dude..
by Claytopen October 02, 2011

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