nerdument
A heated argument concerning a topic that the general population typically cares little about, such as string theory, Crispin Glover films and Zelda. Can often be found on Internet message boards.
Joe: "The Sega Dreamcast was clearly the most underrated console system of all time."
Jim: "Have we forgotten about the 3DO, my friend?"
John: "I'm sorry, but I'm going to have to interrupt this nerdument."
Jim: "Have we forgotten about the 3DO, my friend?"
John: "I'm sorry, but I'm going to have to interrupt this nerdument."