1. "All mimsy were the borogoves..." (Lewis Carroll, "Through the Looking-glass and What Alice Found There")
2. You might want to take that rat to the vet, Jake. It's lookin' kinda mimsy.
For example a collegue who has deleted all your files by mistake , claiming they were eaten by wolves could be refered to as Mimsy - if they were to ever dare speak again one might reply "SHUT UP MIMSY".