Has an AFL game ever ended 82-40?
Exactly once. On August 19, 1933, Sydney beat Essendon 82-40, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 82-40 in league history.
That makes 82-40 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 83-40 has happened 1 times and 82-41 has happened 3 times.