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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!
Bumpiss by o0 I3LACKOUT Oo September 28, 2008
The smell of beach restrooms and out door elevators.... It smells like bum piss--- bumpiss.
DAAAAAAAAAAAANG!! this place smells like bumpiss!
bumpiss by Alex and Aidan September 11, 2007
The act of sending BUM URINE to someone via the mail
"damm dude you send you boss BUMPISS!" he is an asshole
bumpiss by chubbyshawn December 14, 2007
You gotta do bupkiss
Bupkiss by Saamy December 5, 2020
Emily's little brother Anthony... He deserves a whippin
i hate that little bubkiss
bubkiss by u don't know me September 2, 2003
A rim job commonly administered on the streets of hamburg for 93.1 Euro.
dude I was about to hang the noose before I got this outstand bupkiss, serious amazing work .

bupkiss by fhsadf March 10, 2009