post-and-rail, n.² — Green’s Dictionary of Slang

post-and-rail n.²

[rhy. sl. = fairy tale (see fairy-story under fairy n.¹)]

1. (Aus.) used attrib. of handwriting: illegible.

1900

Sydney Sportsman (Surry Hills, NSW) 17 Oct. 1/3: Wallace’s handwriting was of the post-and-rail order.

2. (Aus.) a lie, a (fairy) tale.

1945		Baker Aus. Lang.
2002		Pete’s Aussie Sl. Home Page 🌐 post and rail: a fairy tale, a lie.