Something that has enough importance to actually be on Wikipedia, in contrast to what you can find no trace of on there. Hence, "worthy of Wikipedia," or Wikipedia-worthy. Since users from across the world can edit or add to Wikipedia, the lack of information on a specific topic marks its sheer unimportance or obscurity.
Person 1: Hey, listen to this band, it's great.

Person 2: Are you kidding me? It's not Wikipedia-worthy; I just checked.

Person 1: Come on, man, give it a try. No one knows who they are, but they're so awesome.
by RealTawk November 21, 2010
Get the Wikipedia-worthy mug.