And it tastes like raw flesh. It's not something you've ever been exposed to. But it strikes a chord somewhere deep inside. While rosebud is named after those crimson flowers you get on Valentine's Day, that's where any intimation of sweet, romantic love ends. The sexual act that Shaw specialises in is, in fact, caused by an anal prolapse — a medical condition in which the inner walls of your rectum collapse and slip out of your butthole, the bright red internal tissue blooming out of your anus like a desert rose cue Sting. What is changing, however, is the encroachment of hardcore sex acts from the fringe into the mainstream.