A person who takes an excessive interest in any sort of military affairs, particularly if said person is a civilian. May also be considered a subtype of wonk.
Jim knew he had become a true war nerd when he found himself salivating over the latest pictures of the S-300 surface-to-air missile.
by Pattonmat89 March 9, 2009
Bob the nerd: Hey Joe wat side r u on fer teh ps3 vs. xbox 360 vs. the wii
Joe the jock: you mean the great nerd war?
*bob is sad*
Joe *walking away* hehehe
Joe the jock: you mean the great nerd war?
*bob is sad*
Joe *walking away* hehehe
by herpa derpa art class January 21, 2011