centre line
a set of positions on a footy field.
It consists of three players, two wingers either side of a ruckman in the centre.
dummy
referring to a player deceiving the opposition to gain an advantage
It is used to evade a tackler by feigning a movement, then changing direction suddenly to escape the opponent who has been fooled by the move, believing he is going to pass, shoot, or move in a certain direction, instead doing something entirely different.
rover
a follower
Typically the smallest player on the ground, his role is to lurk around centre bounces and stoppages to receive the ball from a ruckman or ruck rover and complete a clearance. One of three players called followers because they follow the ball around the ground, as opposed to playing in a set position.
falcon
being hit in the face by the ball or an accidental headbutt
So called in honour of a famous incident involving the face of Rugby League player Mario Fenech, nicknamed the Maltese Falcon, or simply the Falcon, because of his Maltese background.
originally nrl slang
ball-up
a method of starting play at a neutral contest
When the umpire judges that the ground is too soft for a bounce, he will throw the ball upwards several metres into the air. Until 1886 the ball was thrown into the air to start a quarter but in 1887 the bounce, now a traditional part of footy, was introduced.
barrack
encourage, support, cheer on
The Victoria Barracks were adjacent to the South Melbourne Cricket Ground and St. Kilda Cricket Ground, both used as football grounds. A group of boys were always first to notice the Barrack Personnel walking across the playing fields to support their team, and would cry out: HERE COME THE BARRACKERS!
footy slang since the 1890s
barrel ∼ screwie, torpedo, torp
a punt kick
One that rotates the ball around its long axis, aligned with the direction the ball is travelling. Regarded as the type of kick with the longest distance, but the lowest chance of being accurate.
bag
five goals
Colloquialism for 5 goals scored by one player.
avago
have a go
 barrackers cry of encouragement.