Lindy Hoppers do it all the time. It's called a Lindy Bomb. Only takes two people, and can be done virtually anywhere any time with no setup. Music optional for small groups but recommended for larger ones. examples: http://www.youtube.com/watch?v=DVQNJNFJzkc&NR=1 http://www.youtube.com/watch?v=d9JK6uvB98I&feature=related http://www.youtube.com/watch?v=A3c7aM4akPg http://www.youtube.com/watch?v=3frq_Uptcy4&NR=1
