Not the stuff Jessica Rabbit was afraid of, it's a tribute to the 100th anniversary of Phillipe's French Dip Sandwich Shop in Los Angeles. They originated what is now a sammie staple-even Quizno's now has a "Steakhouse Beef Dip" on their menu.
http://www.latimes.com/features/magazine/la-tm-phillipes6apr06,0,7366828.story
http://www.philippes.com/menu/