When you're really excited to go on tumblr, and you've almost been craving it. It is the equivalent of saying "yum" before dinner, but instead it is used in regards to tumblr.
Ohh yumblr... I can't wait to get to my computer since I started following Skyler's blog.
by Skyler's Face March 18, 2012
A tumblr blog about food
I want to make cookies,so I will look for the recipe on yumblr
by phallangie March 29, 2015