1 definition by Roger Podacter

Top Definition
When a man is taking a dump in the tank of a toilet while a female is sitting on the bowl taking a dump while facing him and performing oral sex on him.
Yo I was taking a shit and Tracy want to give me a blumpkin but she also had to take a shit so we did an Upper Decker Double Blumpkin
#blumpkin #upper decker #shit #blow job #oral sex
Roger Podacter tarafından 19 Eylül 2010, Pazar
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