Randomly following Wikipedia links and reading articles, which ends up wasting a lot of time.

The longer the walk, the more unrelated the articles become.
I meant to read one article, but ended up on a wiki walk for the afternoon.
by wiki_walker June 26, 2010
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Another word for a know all. A person who knows alot about sports, current events, trivia and general random facts.
"Man, that new guy sure is clever! He knows everything"
"Yeah. He's a walking Wiki"
by anitagalebee May 1, 2007
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