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1.
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!!!
by Matt Walker December 03, 2007
 
2.
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
by port9 January 28, 2004