You take a dump, and when you use the toliet paper to wipe, instead of throwing it away. you paste it to the wall or any other surface. The poop itself acts as the adhesive. Great for revenge for bad service at restaurants.
"what do you mean your out of orange chicken???? fine ill have musho pork."
(goes to restroom)
"well this is for not having orange chicken at lunchtime."
(sticks toliet paper to mirror)
enjoy your poop sticker