bumpiss

The smell of beach restrooms and out door elevators.... It smells like bum piss--- bumpiss.
DAAAAAAAAAAAANG!! this place smells like bumpiss!
by Alex and Aidan September 03, 2007
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bumpiss

The act of sending BUM URINE to someone via the mail
"damm dude you send you boss BUMPISS!" he is an asshole
by chubbyshawn November 16, 2007
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Bumpiss

The event of an extremley runny shit, usually caused by recent diets.
I ate a whole box of bran flakes and Iv'e been bumpissin' for hours!
by o0 I3LACKOUT Oo August 03, 2008
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