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1. gack spit
The nasty stuff you spit up when you have been snorting meth or coke.
That fuckin methhead covered the deck in gack spit!
by crazyfock Nov 7, 2003 add a video
2. gack spit
bad shit man, bad shit.
man dont u even think of gack spit!
by chloe! Jun 27, 2004 add a video
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