I know where I'm going and I know the truth, and I don't have to be what you want me to be. I'm free to be what I want.
You can maybe be artistic and really original and creative, but as long as it's got that funniness at the root of it, then certain people are going to love it just because they need a laugh.
But the best definition of it is to say that heaven is that state where we will always be with Jesus, and where nothing will separate us from Him any more.