This is similar to the glorious art of a blumpkin, but in this particular case the girl is the one who is on the toilet, either pooping or urinating, preferably urinating since girls don't poop, and the man is standing up in front of her while she is sucking his cock. You may also refer to this thrilling maneuver as an "oppo-blump" since it's pretty much the opposite of a blumkin.
Listen Taylor, I dont care that you're in the bathrooom, I bought you lunch so you better give me a cincinnati blumpkin, bitch!
by Shhmee February 06, 2010
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