Has an AFL game ever ended 119-51?
Exactly once. On July 4, 2003, Essendon beat St Kilda 119-51, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 119-51 in league history.
That makes 119-51 the 3884th most common final score out of 6,649 that have ever occurred in AFL. One point away, 120-51 has happened 1 times and 119-52 has happened never.