To cover a house, or the nearby bushes & trees, with toilet paper, just as a practicle joke.
I used to TP when I was young, and in fact ended up
making a movie about it! As a high school english project, we were to get together in groups and
make a movie (we'd been studying filmmaking). Well, our group decided to tackle a subject we knew well - TPing! The result was "The Art of TPing, or How to
Gift Wrap a House," which received an A-. The minus was for a crude little joke in the movie, which you will see if you view the movie, now on Google Videos!
The movie was originally shot on 8mm in 1971, and we recently digitized it. It's only
about 7 minutes long, but very funny. I can't seem
to link to it here, but
go to Google Videos and search for "TPing" ... Check it out!