The act of squatting over a girl's face and excreting diarrhea onto her after eating spicy Mongolian barbecue.
In the midst of getting a blowjob, Steven felt a rumble in his stomach. Seconds later, he tried to get up but was too late and gave his girlfriend a Mongolian Garbage Bag. She loved it.
by MU Matt January 11, 2007
4 Words related to Mongolian Garbage Bag

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