When a girl sucks on your balls while tickling your penis at the same time. First invented in 1937 by an Irishman named Ewen McGenehey. It was properly patented in the famous "Madame de Sausage" brothel in Northern France.
Kenneth: "Honey this is truly a wonderful dyslexic chauffeur you are giving me."
Steve: "How about we go back to my place for a dyslexic chauffeur"
Bill: "My balls are very comfortable at the moment. At the same time my penis is tickled! This is amazing! What do you call it?"
Suzy: (muffled) "Dith ith a dithlexthic thauffeur"