v: the act of text messaging someone in the hopes of having a spar with them later; initially beginning with a rude accusation, transitioning into a highly violent argument via cell phone.
Example of boxting in action:
Guy 1: I should have told you yesterday.
Guy 2: Yes you should have, bitch.
Guy 1: So you want to fight, eh? Put up your dukes.
Guy 2: I will nail your tongue to a tree, tie your feet to a horse, then ride the horse into the sunset.