Was in a restaurant with friends a few years ago, and one friend took their phone and set it to the front camera and stepped a few feet away from the table and held out their arm to get a selfie of us all including himself.
Lady at the next table over thought he was taking a picture of her children (perhaps since he stepped away from our table and was facing her table while holding the camera up - but it was high and an obvious selfie). She yelled and ran toward my friend, who was confused. Lady's daughter tried to grab mother's arm saying "it's a selfie, Mom!" Took almost a full minute to resolve this. Daughter seemed very embarrassed, and the rest of us were just annoyed.