1) Soaping windows. This is an old-school prank that is equated with tagging, but way better. Why? Because the soap comes off without a lot of time and energy.
What does soap the windows mean?
"Soaping windows" is an old juvenile prank in the U.S. in which bars of soap are used to write slogans or messages on windows. It's non-destructive since it washes off. Another traditional usage is to write "just married" on the windows of the car used by newlyweds escaping the post-nuptial celebration.
What is corning prank?
Corning was a simple prank that drove homeowners crazy who were trying to have a peaceful Halloween night away from trick-or-treaters. Basically, you took a handful of field corn and throw at someone's front door or window (tin roof porches work great too.)