Green’s Dictionary of Slang

(N.Z.) a flax-cutter.

1917		G.P. Brown Lay of Bantry Bay 57: [title] The Sporting ‘Flaxie’ [DNZE].
1927		J. Devanny Dawn Beloved 29: No one came by but a young flaxie [DNZE].
2003		McGill Reed Dict. of N.Z. Sl.