An enormous dork who spends 95% of his or her time in the band room, cleaning the spittle from such instruments as the tuba or the sousaphone, and actually taking pride in performing in holiday concerts the entire school is forced to attend. Bandgeeks can also be found pestering their conductors to play the Star Wars theme for the next big concert, or sitting at their own lunch table because nobody else will have them. And by the way? Bandgeeks are usually never as hot as Alyson Hannigan in the American Pie movies. They're about on the same attractiveness level as WoW players.
"God, there goes that bandgeek Emily again. Don't let her see us or she'll beg to tag along on the field trip!"