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1.
what the actual flavor is made from when a package of candy says "mystery flavor"
i ate some candy today that was mystery fruit flavor. it was really good!
by Chastah_76 November 08, 2009
 
2.
a person who may or may not be "closet gay".
Chris: So did Mac ever come out?

Tommy: No, he's still a mystery fruit.
by RawRaSaurUsOpalous December 06, 2009