It is the act of receiving Cunalingus while defecating. The act can be completed by either sex, depending on recipients orientation. Synonyms: Reverse Blumpkin; The Charlie Sheen Experience
I took that guy home from the club, but when i got home I had to shit really bad but couldn't wait, so i made him give me a cunalumpkin to kill two birds with one stone.
by Slick Ray Murray March 6, 2011