A country of spitters

Korea is a country of spitters. As far as I can tell, it's confined mostly to the men, but if I only had a thousand won for every time I heard the sound of... well... you know. It's like they are reaching into the depths of their soul to hock up some kind of elusive poison. I hear it all the time. When I'm in the house I hear the neighbors. When I'm in the shower I hear people on the street below. When I am on the street I hear men in the park. When I'm teaching classes I hear passersby outside. As the expression goes, "When in Rome, do as the Romans do", but I think I'll hold off picking up this particular habit.