Has an AFL game ever ended 118-80?
Exactly once. On May 1, 1982, Carlton beat St Kilda 118-80, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 118-80 in league history.
That makes 118-80 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 119-80 has happened 1 times and 118-81 has happened 2 times.