There is a youtube clip of him (I'm not searching for it by the way, one viewing is quite enough) where during the gig, bollock naked of course, he has the most hideous bout of diarrhea on stage and duly rolls about in it getting completely caked in the process. He then runs off stage and tries to hail a yellow cab, as you do. The camera was still on him and one cab did pull over only to see the state of him and the driver made his excuses and left sharpish 