Tumblrphobia 

When you're afraid of Tumblr attacking you in your sleep. When you're afraid of all the fandoms on tumblr attacking you.

I think I have tumblrphobia, what if all the fandoms eat me in my sleep?

Tumblrphobia by tohkeyo January 8, 2015

tumblrphobia 

Fear of having your nudes on the internet forever

Bill: Why'd you quit blogging?
Jill: After that hot video chat with the guy from tumblr, I've developed tumblrphobia

tumblrphobia by clint-beastwood March 22, 2011

tumblrphobe 

Someone who always bashes on tumblr user

tumblrphobe: She's a feminist? Ha! She's probably a tumblr kid.

tumblrphobe by methskitz September 9, 2016