Tumblr sad™ are usually people who fake being sad due to the "aesthetic" of it. Most of these people are "surprisingly" found on Tumblr.

Anatidaephobia is defined as a pervasive, irrational fear that one is being watched by a duck. The anatidaephobic individual fears that no matter where they are or what they are doing, a duck watches.

Anatidaephobia is derived from the Greek word "anatidae", meaning ducks, geese or swans and "phobos" meaning fear.