Wikijism 

A term to describe lazy journalism that uses Wikipedia as it's only source.

That article in the 'XXX' was pure wikijism.

Wikijism by LokiAstari May 12, 2009

wikiism 

If enough people believe something to be true, then it is. Often perpetuated by Wikipedia articles that contain misinformation.

Guy #1: Hillary Clinton was valedictorian of her class.
Guy #2: No she wasn't, that's just a wikiism.

wikiism by radicool July 20, 2007