2. Someone with a personality that makes a potato look interesting.
3. Someone so sad that a potato looks very cheerful in comparison.
4. Ulquiorra Schiffer.
2. Ulquiorra Schiffer has a dead, bland personality, with the exception of calling everyone he meets trash, making him nearly 95% Emotato.
3. Ulquiorra Schiffer always looks so sad, like he needs a big hug and lots of chocolate, so sad that the baked potato I had for lunch looked extremely happy in comparison.
4. Ulquiorra Schiffer, Cuatro Espada.
(adjective) a means of describing such a person.
"Sad like a potato" became shortened to "emotato".
"He's such an emotato, you'd think the world was ending."