Flatulent Cow Jumping Through Wall

For a,split,second,Rebus walks by a building with two halves of a cow jumping through the second floor wall.
I googled it and found the artist and an article that says it passes gas. LOL

http://news.bbc.co.uk/2/hi/uk_news/scotland/edinburgh_and_east/7145026.stm

Amazing wire and fiberglass work
http://www.polyscene.com/indexwir.htm
http://www.polyscene.com/wire/cow/cow.htm
http://www.polyscene.com/wire/cow/cow2.htm