The stench of a bathroom at most any convention center, airport, or site of a conference. Traveling, eating conference food, excessive alcohol consumption, and drinking the local water leads to conference ass. Typified by loud, gas-y echoing from the toilet bowl.

similar to travelers butt, mudbutt, diarrhea
The sputtering rumbles diarrhea from those stalls means "Tom has conference ass."
by CW99 October 17, 2007
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