1. Dunkin Blumpkin
When you recieve a "run of the mill" blumpkin, however, you end it by forcing the givers head into the toilet bowl on which you sit, shoving their face into your fecal matter...
"She gave me a dunkin blumpkin, and her face was covered in shit!"
2. Blumpkin
To receive fellatio whist defecating. Highly acclaimed for involving two of the most peasurable bodily release events simultaneously, but very difficult to accomplish. Also called a blumpy.