The search engine (www.google.com) is used because it is the de facto search engine of choice on the internet.
If you Google the words "Dick Cheney"
+ "Selfish" you get 110,000 results.
This is intended to indicate that the popular consensus on the internet is that 'Dick Cheney' is more closely associated with the term 'selfish' than 'selfless'. He must therefore be, in fact, selfish.
This conclusion is called 'Google Wisdom'.
Ernie: "You'll be fine, just make small talk and throw in a little Google Wisdom to impress them."
2) Dick: "Whenever Kenny gets high, he starts havin these deep ass conversations! You should hear him, he's crazy smart yo!!!"
Mike: "It's all Google Wisdom, fool! Kenny don't know shit!!!"