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2.
A term used by Maddox on maddox.xmission.com. Means to "fuck up" or "eradicate" something.
Man, This band totally ruins your shit and stomps your colon
by iwannabeanalcoholic January 22, 2005
 
1.
v. To thoroughly demolish someone in a spectacularly gruesome way. "Ruining one's shit" goes far beyond simple pwning.
1. That bastich mouthed off one too many times, so Lobo came and ruined his shit.

2. That 2000-lb bomb totally ruined that Iraqi's shit.
by Spongebutt Squishpants August 24, 2004