Has an AFL game ever ended 129-40?
Exactly once. On September 23, 1995, Geelong beat Richmond 129-40, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 129-40 in league history.
That makes 129-40 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 130-40 has happened 2 times and 129-41 has happened 1 times.