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A person of Mongolian descent that tries to kill a household pet such as a rabbit, dog, bird, or even sometimes small children for game. They may use the meat in Oriental foods.
I went over to Chong's house yesterday and ate his home made Mongolian Beef. It tasted just like Little Jimmy next door, I'm suspecting he may be a Mongolian Psycho.
by StraightGuy January 12, 2009
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