I was talking about the people, usually fresh out of high school, probably on minimum wage, trying to flog you memberships in something or other. It could be american express, it could be trying to get money for the Fred Hollows foundation or other charity, it could be to "help the little kiddies".
They set up in major thoroughfares and verbally assault you, then make you feel like an ungenerous sod if you don't empty your wallet then and there.
I'll try the Japan Four trick next time