back o' Bourke
(bɜːk) advAustral in a remote or backward place
[from Bourke, a town in New South Wales]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014