At conferences, you have a badge with your name and, often, affiliation. I am unaffiliated, an "independent scholar", or as I like to say a ronin, so my name badge just says "New York". On the elevator one day, another conference attendee looked at my name badge and asked where I was from.
"Brooklyn," I said.
"Brooklyn? Brooklyn.... Brooklyn?" Then the elevator opened and we walked off.
Eventually, Dr. S and I figured the guy had probably meant What university are you from?, although that wasn't exactly what he had said.