diggnorant
When someone unknowingly posts an entertaining link on facebook or amongst friends despite the fact that it has been circulating on www.digg.com for several days prior, thereby losing its comedic value.
Frank: Jacky posted that keyboard cat video on my wall last night, she's so diggnorant.
Tim: Hasn't she ever been to digg.com?
Tim: Hasn't she ever been to digg.com?