Here's a link to 50, and at the end-bottom there's a link to anothersemi humorous 50 taboos
http://boss.blogs.nytimes.com/2009/11/05/one-hundred-things-restaurant-staffers-should-never-do-part-2/?em
*My daughter once told me that tasteful term "stiff" is a sort ofmortuary-derived jargon for non tipper