However the nick name became cemented in the hearts of the public, when a photographer accidentally fell over and took a picture upskirt revealing her vagina to be actually made from 18th century pig iron.
This has opened up a large debate which spans many topics.
Biology - How?
Philosophy - Why?
and Politics - ......
Some have suggested that it was not her vagina at all, but a form of securtiy device to stop unwanted vermin from nesting in there. However regardless, the media splash was enough to concrete in the term Iron Beef Curtains.