Taken from the greatest film in the world Fight Club. Mischief! is an off spring of Mischief! Mayhem! Soap!
The first of its kind and total original in the world of tagging!
-What does it say!?
-I wish I was that good!
Also there is a varient called emotional mischief, whereby harsh rumours are spread about a particular person.
When mischief starts, the word "mischief" is chanted and the group partaking in the mischief charge around the house. It can also be done subtly.
Spreading rumours about how x described y as a Nazi C***.