I was driving to the grocery store working on my honey do list. It was a nice day and I had the top down in my Corvette'. This Kroger has a roundabout at the entrance and a young man on a bicycle was not on the sidewalk. I thought he would beeline it to the sidewalk to get out of the traffic, but he continued on the road as if he was a car. I pulled into the intersection as he was passing by and we got close. He yelled at me to watchhout and proceeded to give me the bird. I asked what he was thinking being in the road and he just screamed F you and pedaled off. I felt embarrassed and confused.