Definitions by C-Dogg The Great

Nantucket Shuffle 

Sexual act involving at least two people during which one person defecates into the mouth of another followed by the defecating person moving, or "shuffling," the other’s mouth in order to chew the feces.

After giving Jane a Dirty Sanchez, Jane performed the Nantucket Shuffle on Dick.

Nantucket Shuffle by C-Dogg The Great December 15, 2008