Penn & Teller: Bullshit! from 2004 (episode Safety Hysteria):
However you slice it, asses are cleaner than hands. So we have a new way of greeting people. Instead of shaking hands, rub asses! Ha ha! We’re gonna win a Nobel prize for this. If you saw this show, try it to us when you see us on the street!
Penn & Teller: Bullshit! from 2004 (episode Safety Hysteria):