Used as a singular phrase meaning 'rubbish, nonsense,' this expression was first recorded in an 1827 issue of the British newspaper The Times.
10 December 2008
If a piano is played in the woods....
I saw this mentioned on the Murderati blog, and was so intrigued I had to investigate further. I don't know why I hadn't heard about it before. It looks like something that should have been on Oddball (but wasn't, according to my research.)