Similar to NASA's WorldWind, Google Earth is a program that allows you to scroll around the world and zoom in to wherever you like. A number of areas have satellite photography available to a high level of detail (you can see individual cars and stuff).
Google Earth seems to be an improvement on WorldWind because there is really high resolution imagery to a lot of areas around the world, rather than justWashington DC.
A Googlefart is a fart that appears to search out victims. Normally a Googlefart will attack you when you enter someones bedroom first thing in the morning or perhaps it will be lurking in a lift / elevator waiting for its next victim
Any person, place, thing or concept that has enough mention on the web to be cataloged by Google. Derrived from the term "spongeworthy" created by the Seinfeld TV sitcom.
"I alwaysthought that guy didn't even know how to plug in a computer, but apparently a lot of things he wrote are Googleworthy."