According to a 10-year-old entry in the Urban Dictionary, Turd Ferguson is a name created in a “Saturday Night Live” sketch — a parody of Celebrity Jeopardy. Now a Jeopardy contestant with a 10-year-old’s sense of humor got Alex Trebek to say Turd Ferguson on air. On Wednesday’s show, “Jeopardy!” contestant Talia Lavin lost all […]