Ass barf 

A chunky, yet mostly liquid shit which is multi-colored and smells more like vomit than shit.

In the South Park episode where Cartman gets tourettes, Cartman goes on to a TV show and states "Goddamn Jews! Suck my ass barf!!!

Ass barf by Matt Walker December 30, 2007

barfing out your ass 

when your poo is watery enough to be mistaken for really dark tea or coffee....including the grounds. imagine an absolute anal apocalypse

dad the bathroom smells like you were barfing out your ass

barfing out your ass by 7'4"whiteboy October 11, 2014

assbarf 

to assbarf
from the Latin assious barfious
the act of barfing out of your ass

Oh shit man, I just had a nasty assbarf
<kankraka> I'm assbarfing

assbarf by port9 January 28, 2004

Assbarfer Syndrome 

repetitive explosive diarrhea

"When Salyn heard that Corn might have 'Assbarfer Syndrome' , she laughed so hard she was snorting .

Assbarfer Syndrome by Cornykins July 7, 2011