Green’s Dictionary of Slang

(Aus./N.Z.) boasting, bragging.

c.1905		J. Furphy Buln-Buln and the Brolga (1948) 🌐 Hear lots o’ skitin’ about sea-bathin’ – well, I tried it.
1908		E.G. Murphy ‘Them was the Days’ in Jarrahland Jingles 170: To London cold and foggy. An’ there I ’ires an inky ghost To put me pap in writin’, An’ get the Cockney push on toast, Wot swaller saltbush skitin’.
1916		C.J. Dennis ‘The Singing Soldiers’ in Moods of Ginger Mick 62: ‘Strike!’ sez ’e. ‘It sounds like skitin’; but they’re singin’ while they’re fightin’; / An’ they socks it into Abdul to the toon o’ “Nancy Lee”.’.
1996		J. Byrell Lairs, Urgers & Coat-Tuggers 90: ‘If you hear a bloke referred to as a ‘lair’ that means he’s usually someone [...] who likes to do a bit of skiting if he’s backed a winner at a bit of odds and therefore thinks he’s a half-pie genius’.