I'm having surgery tomorrow, wish me luck.
I couldn't decide on the right joke, so.....
Joke #1:
So after tomorrow, should we call you "MetaL MilitettE"?
Joke #2
When I first heard you were getting this surgery, I was against it. But then I thought, if Homer doesn't want to be a dude, who am I to stop him!
Barney, I'm having heart surgery!
What!? Then what am I supposed to do with this jumbo thong bikini!?