elbow bumping pp.
If the avian flu goes pandemic while Tamiflu and vaccines are still in short supply, experts say, the only protection most Americans will have is "social distancing," which is the new politically correct way of saying "quarantine."
But distancing also encompasses less drastic measures, like wearing face masks, staying out of elevators and the bump.
Donald G. McNeil Jr., "Greetings Kill: Primer for a Pandemic," The New York Times, February 12, 2006
Charles Elmore, "After big buildup, ABC delivers winning show," The Palm Beach Post, December 26, 2004
David Grimes, "Goodbye, comrade; yo, dude," The Globe and Mail, September 20, 1991