I came across this delightful/horrible story on a blog called And I Am Not Lying. It’s about an encounter at a coffee shop in Arlington, VA. You can read the post for yourself, which included this classic Jack Nicholson scene from Five Easy Pieces:
This is the kind of stunt I always wanted to pull but didn’t have the balls. Instead I’d say something so mean it would make the other person burst into tears. I am now working toward enlightenment but still love the clip.