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3.
When traveling somewhere by car, boat, plane, or Helicopter, having the feeling that you've been there before because of your research of the location using Google Maps, and Google Earth. Using zoomed in pictures as well as views allowing so much familiarity to be gained of a location before you arrive it seems like you have already been there.
When we pulled into the complex, I knew exactly which way to turn because I had DeJaGoogle.
by Kwasimoto September 23, 2010
 
1.
The sensation you get when you realize you've just typed www.google.com in the address bar when you are already on Google. The same sensation can apply to many other websites.
I really need to change my homepage because there's no breaking the habit. I've deja googled seven times and it's not even fucking lunch.
by Rooks January 19, 2008
 
2.
When traveling somewhere by car, boat, plane, or Helicopter, having the feeling that you've been there before because of your research of the location using Google Maps, and Google Earth. Using zoomed in pictures as well as views allowing so much familiarity to be gained of a location before you arrive it seems like you have already been there.
When we pulled into the complex, I knew exactly which way to turn because I had DeJa Google.
by Kwasimoto September 23, 2010