I know a few halfway decent terrible jokes. Here's a somewhat christian viewpoint one for you:
So a young couple have died and gone to heaven, and at the gates they meet saint Peter. He says, "Welcome to heaven, we've been expecting you, now before we let you up, is there anything we can do for you?"
The couple look at each other, and one of them asks, "Well one thing we always wanted to do but didn't get a chance to before we died, was to get married, could we get married before we go in?"
Saint Peter scratches his beard and says, "Well, we can, though it'll take a while to set things up, if you really want to do it, then you can wait here while I send an angel to sort it out. Just keep in mind that there's no "'til death do you part" business up here, it's forever."
The couple says they're alright with that, and ask him to do it. So Saint Peter trumpets up an angel, and sends him through the gates with directions to find a priest willing to marry them... They wait... and wait... and wait... and finally after two weeks the angle comes back with a smiling priest in stow. Saint Peter claps his hands and says, "Right then, are you ready to get married then?"
Now the couple had actually been getting a bit nervous about all of this while they were waiting, and so one of them asks, to try to set his mind at ease, "Well... we were wondering, since you said it's forever up here, if things didn't work out, would it really be forever? Could we get a divorce?"
Saint Peter is about to respond when the angel throws a hissy fit and says, "NO! Just NO! Look, you saw how long it took me to find a priest in there, do you have any idea how long it would take me to find a lawyer?"
(sorry Truean, you knew there had to be one in here somewhere)