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1 definition by p!ss3d 0Ff Ho++ Sh!T

 
1.
the ability or driving force of an individual to persevere when they think they can't go any farther.
man, I was about to throw it in during that last round, but then I got a huge dose of mettle.
by p!ss3d 0Ff Ho++ Sh!T March 05, 2009