Definitions by Incredibly Annoyed

Tumblr Whore 

Someone who posts their entire life on Tumblr, usually to seem dramatic or to use in place of actual communication.

Josh: Hey man did you and Emily break up? I saw her post a bunch of emo pictures on her tumblr.

Dave: Yeah, she's a total tumblr whore.

Tumblr Whore by Incredibly Annoyed April 7, 2011