Has an AFL game ever ended 165-84?
Exactly once. On May 13, 1989, Hawthorn beat Fitzroy 165-84, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 165-84 in league history.
That makes 165-84 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 166-84 has happened never and 165-85 has happened never.