Has an AFL game ever ended 140-77?
Exactly once. On August 12, 2007, Fremantle beat Essendon 140-77, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 140-77 in league history.
That makes 140-77 the 3885th most common final score out of 6,649 that have ever occurred in AFL. One point away, 141-77 has happened never and 140-78 has happened 3 times.