Green’s Dictionary of Slang

(Aus.) an uncouth person (esp. when nouveau riche); a local variation (in Melbourne) of bogan n. (1); also attrib.

1998		R.G. Barrett Mud Crab Boogie (2013) [ebook] ‘What would you have done if some scozza come up and undid your fly and started going the rat?’.
2003		Aus. Word Map 🌐 scozzer dag, bogan (used in Geelong): Look, she’s wearing tights and ugg boots - what a scozzer.
2003		(ref. to 1970s) Aus. Word map 🌐 I first heard bogan in Melbourne in the mid to late 1970s, previously bogans were known as ‘moccasin people’ on account of their favoured footwear and occasionally as scozzers, with scozz as the adjective e.g. ‘look at that scozz car’, but scozzer was entirely replaced by bogan.
2003		(ref. to 1980s) Aus. Word map 🌐 Same as ‘bogan’, particularly if sterotypically dressed i.e. black t-shirt, tight jeans, moccasins and a ‘mullet’ haircut. It was used in Geelong Victoria in the late 1980’s. When I moved to Melbourne, no one used scozza, instead they used bogan: ‘Check out that bloke ... What a scozza!’.
2004		J. Lambert Macquarie Bk Sl. 174/1: scozzer a Victorian term for a bogan, bevan or westie. Also spelt scozza, or even better, skozza. Origin unknown.
2007		Urban Dict. 15 June 🌐 scozzer: In Australian usage, a rich bogan. (Bogan being Australian for chav (UK) or white trash (US).) Scozzers have usually become rich after achieving success in sports (particularly cricket and footy) or entertainment (particularly manufactered [sic] pop stars or Big Brother contestants). I heard Shane Warne got sprung nailing a 16-year-old at his Surfers Paradise mansion. What a stupid scozzer he is.
2011		Madrigal Communications: Living east of Boganville? 19 June 🌐 [T]he Riverina has the gullie; Victoria has the Scozzer and Melbourne the mocca.
2018		Facebook: Barwon Heads Football & Netball Club 26 June 🌐 Find your inner Skozza, sport a mullet and dust off your moccies for what will be a cracker of an evening.