Has an AFL game ever ended 140-65?
Exactly once. On August 13, 1983, St Kilda beat Richmond 140-65, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 140-65 in league history.
That makes 140-65 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 141-65 has happened never and 140-66 has happened 3 times.