Smursion
(n) The feeling one gets when one is trying to decide between two or more options and is having so much trouble in deciding that it may feel as though one part of the brain is trying to eat another. Smursion tends to hurt.
"What do you want for lunch, tacos or waffles?"
"I don't know! It's giving me smursion, OW!"
"I don't know! It's giving me smursion, OW!"