When two or more people engage in hitting each other with their school-bag and all of its contents.
Mike: Hey Shaun... take this! *Hits with bag continuously*
Paul: Shaun get up you nob. *Hits with bag* Bag Wars!
Shaun: *makes gurgling noise*
by MaithSin February 6, 2008
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when two or more people with a lot of money or expensive things such as gucci, ferrari, yeezy, or supreme, are both flexing and trying to out - flex the other one
"Hey you ready to go over to Jordan's house?"
"Hell yeah man, it'll be a bag war, I'll bring my Yeezys!"
by Mi-Tu March 1, 2018
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