I have two favorites. When I wore a kilt in public in my little town for the first time I was in our local True Value hardware store (Utilikilts woodland camo original). My 20 years younger than me boss saw me and broke out laughing so hard he couldn't stop - actually was doubled over with laughter. An interesting response since the year before for Halloween he came to work in full drag.

And from a stranger, was in Albuquerque and stopped at a supermarket to get some stuff. As I walked through the parking lot a drunken panhandler saw me and exclaimed happily and loudly, "Hey Switzerland!!" Don't think anyone will ever top that one for me.