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Pronounced: "mutant ecstasy", it is th euphoric high that fans of the television show Mutant X feel while and after watching the show.
After watching the episode of Mutant X titled:"Ex Marks The Spot", I felt good MutantXtacy.
by AdamKane January 08, 2010
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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