Has an AFL game ever ended 141-121?
Exactly once. On March 21, 1992, Hawthorn beat Geelong 141-121, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 141-121 in league history.
That makes 141-121 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 142-121 has happened never and 141-122 has happened never.