artnet.com Magazine Features -- Perversion in Art

"We also find many versions of anal defiance, the urge to exhibit excrement and to flaunt it before the eyes of the world. In some exhibitions in London there was a great show of "dirty knickers," underpants with faeces, piles of excrement on the floor made to look very life-like. We can take this to be a defiant gesture of the self which has been made to feel dirty and bad by parents and by the "clean and ordered" world at large."