Two unique cases for me: Going to get off a train and some lady caught me off guard, I stuttered and she asked if she should go get someone to help me get off the train.. I was quite clearly fine and only stuttered for a moment. Awkward. I was helping to interview someone for a new job at our company and when I asked the person "Hey, I'm James how's it going" with a bit of a stutter around my name, they responded with "Well I don't have that problem". They were quickly shown the door.