Haha, I remember one time playing the "Juicy fruit" commercial song to a few people. The reactions were priceless, one of them almost died laughing and I was lucky the other didn't smash my guitar... :o
Tab:
http://www.ultimate-guitar.com/tabs/..._theme_tab.htm
No the lead singer of Skillet doesn't have a lisp. (Not to my knowledge anyways.) :o