1. Player no. 1 takes container of unwanted food (say, yogurt pretzels), writes the rules on it, and signs it.
2. Player no. 1 places the food and container in someone else's fridge (make sure they have a sense of humor and would be willing to pass it on -- like a suitemate or friend).
3. Player no. 2 signs it, and passes it on.
4. NO TAG BACKS. (Unless you want to).
Eventually it'll get thrown out or someone will eat it.
"Larry from down the hall put it there."
"Do you want it?"
"No, fridge tag someone else with it."
Also, see Dream Tag