Mud Flossing

The act of filling an elderly man's colon with chocolate syrup, and then laying on your back with a big, smug smile on your face, while the elderly man straddles you and squirts it onto your teeth.

Jeremy Clarkson, of the show "Top Gear," holds a Bachelor of Science in Bolivian mud flossing, because gargling "chocolate fecal slurry" has been his life-long passion.