Funny stuff..http://www.youtube.com/watch?v=kcBneEWpOzk.
Haha very nice! I started laughing out loud around the end because I started getting the giggles too. The look on his face was priceless as he was trying to talk and you could tell the laughter is swelling up inside of him and he can barely contain it and then it just overwhelms him! 
Classic! Bob just sits there while Tom giggles