Self stimulation of the anus resulting in defecation for the sole purpose of making room for more food.
After two helpings of Thanksgiving dinner it was a pleasure to marvink myself to make room for a third.
by Turd Firgussin October 28, 2007
6 Words related to Marvin K
U.K. slang for a drug combination of Ecstasy (MDMA) and Ketamine. Known in Australia as EK1.
He's not alone in the K-Hole, he's with Marvin K.
by BoHan September 29, 2005

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