The act of either watching or creating a movie/tv series out of order, or backwards.
Person A: "My friend Tyler won't stop Benjamin-Buttoning the Saw series...no wonder he has no idea what's going on!"
Person B: "He never does anything right..."
Person A: "Did you hear about the 3rd Paranormal Activity? It's supposed to take place before the 2nd one."
Person B: "Yup. Didn't the 2nd one take place before the 1st?"
Person A: "Well, I guess they're Benjamin-Buttoning it."