So the husbands decide to let their wives have a girls' night out. The two women drive off to town, have a great time, and are driving home when they realize they really have to pee. So they pull over by a graveyard, and the driver squats, has a pee, wipes herself with her panties and throws them away into the bushes. Ugh, says the passenger, that was gross. So she squats, has a pee, takes a card from one of the graves to wipe herself, and off they go home.
The next day the husbands are talking, and one says, we better not let the women go out alone anymore. Why not? Well, mine came back with no panties on! That's nothing, said the other, mine came back with a note stuck to her butt that said We will never forget you!