Green’s Dictionary of Slang

(Aus./US) glib, insinuating; hypocritical.

1846		D. Corcoran Pickings from N.O. Picayune 126: ‘Good evenin’, Missus Mallen,’ says the doxy, as palaverin’ as ye please.
1915		Sport (Adelaide) 22 Jan. 5/4: He has a very palavering way.