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to express the nothingness left on the area of the marsbar once a bite has been taken. also a piece of marsbar which has been broken into 2 seperate pieces to be shared with one piece significantly smaller than the other, thus being a vaccum marsbar
happycamper - "want a piece of this marsbar?"
CBlast - "woah check out the vaccum in the side of this marsbar"
vaccum marsbar
by CBlast September 26, 2006
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