| Sandover Medal | Awarded to the ”Fairest and Best” player in the WESTAR league each season. |
| SANFL | South Australian National Football League. State League for South Australia. |
| Screamer | High flying mark. . |
| Showdown | Match between clubs from the same city (excludes Melbourne clubs). That is, when Fremantle and West Coast play, or Port Adelaide and Adelaide play. Usually a more important game than the other ”minor round” games. At least for the supporters. |
| Smother | To jump in front of the player with the ball just before (or as) he kicks it, so that the ball is not forwarded. |
| Speccie | ’Spectacular’ mark (usually involves jumping as high as possible over your opponent). |