Poor Cirrus and POOR MEOWMIE!! Wouldn't it be wonderful it we could somehow make them understand. I think you had a wonderful idea about taking him to your parents. I'm sure he isn't happy but it has to be better than staying at the vets. Being at home and confined I'm sure just confused him. Hopefully he will calm down soon.
Just remember that this will all just be a bad memory soon!!!

As for being a bad meowmie...there are millions of cats out there that wish they had such a bad meowmie!!!