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1.
the realising of large amounts of liquid defication that is spewed forth from the anus. see diarhea,squirts, hershey squirts, poo
After eating that burrito I had the worst case of splatter ass.
by Miguel January 04, 2004
 
2.
One who ejects fecal matter so violently from one's anus that shit splatters the toilet bowl AND the underside of the toilet seat.
Eww! I lifted the toilet seat to take a piss earlier and got shit on my hand. Looks like splatterass was here again..
by PooGURU4u April 16, 2011