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2.
The still-warm, semi-digested remnants of the week-old chili mac that a grizzled, old wino puked up outside the doorway to the city rescue mission.
"Watch it! Man, Pedro, you almost stepped in that pool of barfaroni!"

Wino: "Hey, GIMME DIME!!!"
by bus bozo December 06, 2007
 
1.
something or someone that makes you so sick to the point of barfing
That meatloaf is so barfaroni!
by amber a November 23, 2004