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1.
Divining by the coagulation of cheese
The sorcerer utilized his skills in tyromancy to read my future in the cheese curds.
by Wilbur Nether October 25, 2005
 
2.
Poor odds, as in betting.
Yo, I'm not putting a cent down on that Spurs game. Those odds is straight tyromancy.
by Grace Yes June 07, 2006