Wikibitchia 

A smart alec...someone who thinks they know everything.

"Listen, Wikibitchia, I dont care if you think that's how it should be done...

Wikibitchia by Rockridgeman October 11, 2008

Wikibitch 

The person at the dinner table or party with a smartphone who gets asked to fact-check the conversation on Wikipedia, Google, etc.

Let's ask Mark what the capital of North Korea is. He's the wikibitch tonight.

Wikibitch by mike1925 January 28, 2010