Green’s Dictionary of Slang

(Aus.) an incessant talker.

1898		Bulletin (Sydney) 17 Dec. Red Page: An incessant talker is a skiter or a fluter.
1900–10		Stephens & O’Brien Materials for a Dict. of Aus. Sl. [unpub. ms.] 75: [...] a fluter would be a verbose person.
1906		Gadfly (Adelaide) 28 Mar. 9/1: Called ’im the Fluter ’count uv ’im yappin’. ’Struth! ’e could chin it a bit.
1945		Baker Aus. Lang.
1959		D. Niland Big Smoke 178: Where’s phil the Fluter now?