Has an AFL game ever ended 129-48?
Exactly once. On May 20, 1950, Fitzroy beat Hawthorn 129-48, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 129-48 in league history.
That makes 129-48 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 130-48 has happened never and 129-49 has happened never.