At the show, they initially appear to wow the entire crowd with their performance, but, later, they realize that they lost. Chris reveals he was in the audience and then explains that they were completely high and they just shouted "Aah!"
At a show, they initially performed well, but then realized they had lost.  Chris, who was present at the event, reveals that they were under the influence of drugs or alcohol and just shouted "Aah!".