bum piss 

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

'john did a hell of a bum piss'

bum piss by Mark9288 January 27, 2007

bum piss 

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

bum piss by peter mills August 24, 2006

Piss Bum

One who has pissed himself repeatedly leaving rings like a tree and has no home.

The Fire Dept. has gone on the same piss bum six times today.

Piss Bum by Chankla Keating March 30, 2009

piss bum

piss bum is what happens when u go camping and you need to piss in the bush and u laugh and get it all over your pants instead.
it is also emma's nickname.

oi piss bum, i can't believe you piss bummed again!

piss bum by piss bum April 9, 2005

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!

Bumpiss by o0 I3LACKOUT Oo September 28, 2008

bumpiss 

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

bumpiss 

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