A fight in which two generally male members of the human species attack each other using one of the following:
1.) a marching band/orchestra instrument case, usually of the larger tuba persuasion.
or
2.) a backpack.
The instruments are used by swinging them at your opponent(s), while the backpack is better used worn backwards as you charge your opponent face first.
"Woah, look at those dorks fighting with their instrument cases!"

"Dude, total dork fight!"
by MiriamD124 September 19, 2009
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