Deutsch Stare down

I have gotten used to the German death stare.. I mean it's literally a look that seems as though they are peering through your soul. It was rather intimidating at first, but you learn very quickly to give it right back. I can't decide whether its a "who the hell are you" or a " what are you wearing??" Any way.. today at the train station in Dusseldorf I turned to my right and this girl (maybe 20?) was staring RIGHT at me.. her big brown eyes were bulging out of her head. I unconsciously almost started busting out laughing, but luckily I caught myself. It's a scary look..