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The act of having a messy masturbating session whilst taking a dump at the same time. Added to this is the fact that when you come to clean up time and your quite aggrieved by the amount of mess you have made you will usually find yourself utter the phrase "Good Grief"
Last night I had a Charlie Brown wank as I found myself saying Good Grief at the mess I made.
by Your Local Hero February 18, 2008
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