Double Dumpkin Edit Meaning

1.

Simultaneous oral sex performed by a male and female in the 69 postition, while both parters also defecate. This is a rare combination of the blumpkin and the cunnilumpkin.

Note: The homosexual male and female versions of the double dumpkin are properly refered to as the double blumpkin and the double cunnilumpkin, respectively.

Hey baby, I need to drop a duece too - lets do a double dumpkin!