1 definition by John Spazzi

Top Definition
The act of Blumpkins (taking a doodie while receiving a blowjob) from your grandma.
"Grandma, we both know that I finishing shitting a long time ago, but in order for this to be Rumpleblumpkins, you need to stop watching and give me a blow job, NOW."
by John Spazzi May 26, 2009
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