Has an AFL game ever ended 81-32?
Exactly once. On August 8, 1903, St Kilda beat Sydney 81-32, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 81-32 in league history.
That makes 81-32 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 82-32 has happened 1 times and 81-33 has happened never.