Wake me, when you need me.
:3
But that would only work if I were to be sealed in a cryo-tube rather than a coffin. And I'd have to be in deep space.
But if someone had done something that would eventually kill me (AIDS, bullet-wound, etc), then right before i die...
"I FART IN YOUR GENERAL DIRECTION! YO MAMA WAS A HAMSTER, AND YOUR FATHER SMELT OF ELDERBERRIES"
Then point menacingly at someone (preferably the killer of me".