To quickly search the web for facts, rumors, or opinions that bolster your argument, ignoring any pages that rebut your argument. Usually done when losing an online debate.
A: "Therefore, the President's plan is doomed to failure."
...long, long pause...
B: "But in 1986, economists praised a similar plan."
A: "Is a googlewank the best you can do?"
Masturbation engaged in using a google image search to get pictures.
Man, i was horny last night so i searched 'Lesbian' and had a mad googlewank.