You see the videos all the time of someone during their performance eating it on stage. Some people recover very well, while others sometime have to get carted off. It takes a lot for some of these performers to keep on going after eating it in front of a big crowd.
For one Prince impersonator, things didn't go as planned. A Prince impersonator fell off the stage while performing at Dodger Stadium last week. From the video he really didn't fall too far. The best part of the video is that he immediately added an "Ow" as if it was part of the song, and kept on performing.