A person who argues their point using information from Wikipedia.org, usually without understanding what that information means or by providing irrelevant information.
Person 1: Should I learn Korean or Mandarin?

Person 2: Korean is a language isolate with no relation to any neighboring language, while Vietnamese is an Austro-Asiatic language and is not related to any Chinese language at all.

Person 1: I hate wikiwarriors.
by Carrionsc September 1, 2011
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