An Egyptian preist comes out and puts a curse on you. Your soul is now bound to the vending machine, you are not to leave it's side for all of eternity.
You receive a stone. Whenever you put it in your mouth, a random weather effect happens. It can be anything, ranging from gentle sunlight to a scorching menace, from a simple rain to a deadly storm.
/me inserts a sound coin (a coin purely made of sound, only visible through its soundwaves in the air)
A burst of sound gushes out of the vending machine, resonating with all the glass within a 3 mile radius and shatters every last one of them. They linked the destruction to you and made you pay for everything.