A case of acute diarrhea, usually of an explosive nature. Often accompanied by a burning sensation. If the proper facilities are not reached in time, the feces could exit the body in a random pattern, hence the name.
"Dude, I was at the park the other day after I ate a bowl of my dad's chilli and I didn't make it to the toilet in time. Green apple splatters, it looked like thanksgiving in a retirment home."