clownsuit engine
n.— «A clownsuit engine…does an advanced Google search within specific parameters. In this case, it searches for files on one click hosts that contain the keywords the clown and the little boy type into the search box.» —“Apparently, you can now download music on the internet” by item Metafilter Mar. 21, 2008. (source: Double-Tongued Dictionary)
Further reading
Amid court-ordered busing in the 1970s, a middle-school teacher tried to distract her nervous students on the first day of class with this strange assignment: find a monarch caterpillar. The result? A memorable lesson in the miracle of metamorphosis...
Have you ever googled your own name and found someone else who goes by the very same moniker? There’s a word for that: googleganger. Plus, the language of hobbyists and enthusiasts: If you’re a beekeeper, perhaps you call yourself a...
Actually ‘first appeared’ two weeks earlier here:
http://www.metafilter.com/69587/All-the-music-google-can-find