Green’s Dictionary of Slang

(Aus.) primary, most popular.

1995		P. Vautin Turn It Up! 110: Gibbsy’s get out bet [...] blew a tyre when it was six metres in front and 80 meters to go and ran fifth.
1996		J. Byrell Lairs, Urgers & Coat-Tuggers 133: But, anyway, this particular Wednesday in the last at Randy this particular hoop on the get-out fave had left his run to just before the rise.