A reverse dunkin blumpkin is not something to take at a light approach. Attempting to succeed in a reverse dunkin blumpkin should only be done by persons having previous experience in blumpkins and dunkin blumpkins first.

First you sit on your partners chest, having there head just right at the angle for you to receive fellatio, while this is happening you simultaneously start to alleviate your bowels onto your partners chest. An experience known fondly as the reverse dunkin blumpkin.
"Dude, last week while i was shithoused i accidentally gave Jdunn a reverse dunkin blumpkin. I dont wanna talk about it.."
by Crayola Walker January 6, 2010
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