Drink a glug of olive oil. You'll probably be very regular on the toilet the next day, but your body will still ask for more calories, despite the 500+ you just consumed.

4 spoon fulls of peanut butter may or may not register. That many calories in a very short time frame often does not.

I take shots of OO regularly. Stops hunger but slowly, because it takes a while for body to convert to fat metabolism.