Urban Dictionary: bum piss

Top definition

when you have a shit and it is basically water coming out of your ass

'john did a hell of a bum piss'

by Mark9288 January 23, 2007

Apr 21 Word of the Day

I've been jabbed

by Francesco II March 20, 2021

bum piss is when you have had an illness or it can happen when you take to many drugs.

your guts empty them selves like passing water through your bottom = bum piss

by peter mills August 24, 2006

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

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 02, 2007

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