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2. bumpiss
The smell of beach restrooms and out door elevators.... It smells like bum piss--- bumpiss.
DAAAAAAAAAAAANG!! this place smells like bumpiss!
1. 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!
3. bumpiss
The act of sending BUM URINE to someone via the mail
"damm dude you send you boss BUMPISS!" he is an asshole
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