We were camping in one of our favourite spots, up a small mountainside, amidst lots of trees, and a lovely space for the kids to play where I could watch them. I even was clever enough to situate us close, but not too close to the restrooms, as our kids were still of an age that quick trips to the loo were necessary.
We went to sleep, and it was a wonderful rest, until at about 4:30 in the morning I began hearing something jangling. I woke up and someone was playing Madonna really loud. I figured it was a passing car and the song would fade, but it didn't. No use trying to sleep, I got up and headed for the loo, where the music was coming from. I walked in on a dozen teenage girls dancing, screaming, and putting on makeup. I yelled a few times, until someone saw that an adult was in the room. The music got shut off real quick, and I said something like "What the HELL do you think you're doing?" They explained to me that they were camping with their families on the other side of the park, so they hiked over to this bathroom so they wouldn't bother their parents.
I didn't kill one of them, but I did give them to understand that if I heard another note, I would. They cleared off with apologies. I climbed back to the campsite and into my sleeping bag, but I was so steamed I never could get back to sleep.