Tumblr URL of a girl from Canada named Jaci. Her tumblraity is very high, and she's been recommended thousands of times. In other words, she's "tumblr famous".
J: Hey where'd you get that picture you posted on Tumblr?
C: Oh, I reblogged it from Moshnaked.
C: OMG you don't know who she is!? She's like... Tumblr Famous.