Green’s Dictionary of Slang

(Aus./Irish) a sandwich.

[1894		Truth (Sydney) 11 Feb. 4/6: However did you manage to hold up your end of that bridge [...] without the sustenance of a single ‘sangwidge’?].
1943		O-Pip: ‘P Battery Aus. Field Artillery’ Aug. 3: We beheld an outsize in double-decker sangos clamped in Irvine’s jaw [AND].
1968		D. O’Grady Bottle of Sandwiches 160: Meals consisted of piles of sangers, made by the pub cook [AND].
1972		A. Chipper Aussie Swearers Guide 43: Sammo (or Sango) Merchant: Hearty eater of sammos or sangos (sandwiches).
1974		J. McNeil How Does Your Garden Grow Act I: We’ll have a cheese sanger.
1985		R.G. Barrett You Wouldn’t Be Dead for Quids (1989) 35: Two steak sangers with extra onion, three bucks, right?
1993		Aus. Word Map 🌐 sanga. [...] a sandwich.
1995		Sun. Trib. (Dublin) 21 May n.p.: If you’re charging £4.75 for sangers, your customer will assume they are not made from white sliced pan [BS].
1996		Penguin Bk of More Aus. Jokes 310: Not cheese again! If I get cheese sangas tomorrow, I’ll jump.
1998		R.G. Barrett Goodoo Goodoo 93: Les settled for a sausage sanger with BBQ sauce.
2000		Lang. Talkback Project Oct. 🌐 Australian English Diminutives [...] sango — sandwich.
2001		OnLine Dict. of Playground Sl. 🌐 sanger n. sandwich.
2005		P. Temple Broken Shore (2007) [ebook] No sangers here. The bistro menu here.
2012		Twitter 19 Jan. 🌐 In Melbourne a sausage sandwich is a snag sanger. Wonder is sanger derives from sangwich?
2015		N. Cummins Tales of the Honey Badger [ebook] [O]ne Vegemite sanga (no butter) for dinner wasn’t uncommon .
2015		N. Cummins Tales of the Honey Badger [ebook] The sangers were oustanding and numerous.