|1.||get off at redfern|
As above, however the origin of this saying is easy to trace. On the train line to the city in sydney, one of the last stops before the city is at a suburb called redfern. Thus, when you get off at redfern, you're exiting the train before getting to the main part, the city.
Has the same meaning as Abdominal Snowman
"Did you wear rubber?"
"Nah mate, just got off at redfern"