Top Definition
The act of receiving head while taking a masssive dump, but when you get ready to cum, you tell her to close her eyes and open her mouth. Then you do a 180 and shit in her mouth.
As Stephanie thought she was giving Jacob a regular Blumpkin, he told her to close her eyes and he gave her a Black-Hole Blumpkin.
by Black-Hole Sun April 26, 2011

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