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A wikipedia contributor (often an administrator) who makes it their life's calling to monitor every edit you make and report it, even if nothing is wrong with it.

Many wikifags are also grammar nazis and will report users for vandalism if sentence structure is not to their liking.
"Man, that guy is such a wikifag. He permabanned my ip address, and I didn't even do anything wrong!"

"She is a huge wikifag. Seig heil!"
by Eliot Spitzley April 01, 2009
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2
A person who references Wikipedia at every possible opportunity, whether their information is wanted or not.
"I mentioned the 5 civilized tribes, and Bob pasted the entry. What a Wikifag."
by Swoony March 26, 2005
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