1. a person whose attempts at witty conversation comes mostly from Wikipedia articles. 2. someone who monopolizes conversations with random trivia. 2. v. to bore the hell out of your friends by incessantly spouting unsubstantiated and useless facts.
2. "Tell your girl to go easy on the sauce, dude. Once she gets hammered she turns into a jabberwiki!"
3. "Who are you trying to impress, Larry? What you just said was pure, unadulterated jabberwiki!"