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An orgasm gone terribly wrong, due to invasion of privacy, lack of enthusiasm, or illness, causing a normal masturbation session to end in disappointment.
"I was under the covers, about to explode my white hot seed all over my blanket, and my mom walks in with a laundry basket full of my nice clean tighty whities." I had one hell of a dudgasm.
by Notte Oscura April 12, 2009
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