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1.
In paintball, when a player on one team and a player on the other team mark (shoot) each other at the same time, therfore resulting in a "one for one", one player is eliminated with another player from the opposing team.
Larry ran to bunker Steve and Steve shot Larry as Larry shot Steve. The ref couldn't tell who shot first, so he called a one for one.
by Kyle Taylor May 08, 2007