Tumblrite

plural Tumblrites

1. derogatorysometimessocial mediaA user of the microblogging and social networking site Tumblr.

   And even if people did care, there is no turning back, not with devout Tumblrites and Instagrammers constantly shoving this pop fashion down our throats […]

   2013, Becki Jenkins, "Music is taking over the fashion world…", MIC Magazine, 15 May 2013, page 41

   2 more examples

   So it's hard to determine if losing faith in humanity is even a common-held sentiment that people hold, or an exaggerated phrase designed for some kind of "oh no you didn't!" reaction that shocks the hearts of Tumblrites.

   2013, Dylan Hendrickson, "No hope for humanity", The Mustang (San Diego Academy), Volume 18, Issue 2, 7 November 2013, page 10

   In front of children on their parents' shoulders, fashionably dressed teenage Tumblrites, and several pockets of breakdancing troupes set up directly on the Yonge-Dundas blacktop, he demonstrated the bag of performance tricks that have bolstered his reputation.

   2014 July 24, Jordan Sowunmi, “APB at Yonge-Dundas Square”, in NOW, Toronto