Has an AFL game ever ended 118-82?
It has. 118-82 has been a AFL final 3 times in 16,622 games. The first was Carlton beat Collingwood on July 20, 1974; the latest was Adelaide beat Richmond on March 29, 2018.
That makes 118-82 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 119-82 has happened 4 times and 118-83 has happened 2 times. At one point the score disappeared for 42 years, between 1974 and 2016.