Dumblust noun
To wish for a return to ignorance
Example usage
Windows down and music up on the ride home, I forgot that I was fired today, that my dog had died last week, and that my health was failing. Pulling into the driveway and seeing my smiling wife, I snapped back to reality and realized I'd have to break the news to her. I immeditaley had dumblust.
Also
dumblusted verb
dumblusting verb
dumbluster noun