Has an AFL game ever ended 82-27?
Exactly once. On July 25, 1964, Geelong beat Fitzroy 82-27, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 82-27 in league history.
That makes 82-27 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 83-27 has happened 1 times and 82-28 has happened never.