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1.
Version of holy crap that is used by me and my friends.
Holy mess did you see that girl's purse? It was so ugly!
by TaLk-O-hOLiC March 15, 2005
 
2.
A mess that is so epic and terrible in its nature that it recalls plagues and disasters of Biblical times.
After eight months of living in the dorm room, the departing college freshmen had left it a holy mess.
by greatboozeup January 24, 2009