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The unltimate state of euphoria for a man, the moment where he defocates and ejaculates simultaneously.
Bob: "hey john, why are you so happy all of a sudden?"
John: "I just shaculated"
Bob: "what's that?"
John: "it's when you shit and jizz at the same time!"
Bob: "woah, that must feel awesome!"
by KboFecalCrySis April 08, 2009
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