Green’s Dictionary of Slang

1. (Aus.) an extravagant boastful story.

1940		Forbes Advocate (NSW) 6 Sept. 9/3: Like shearers’ ‘tallies’ from the Lachlan zone, / Such ‘baleful’ figures all defy us / As Prince of Liars you stand on your own, / A rival worthy of old Ananias!
1953		Baker Aus. Speaks.

2. (Aus.) a 750 ml. bottle of beer.

1988		L. Johansen Dinkum Dict. 483: Alcohol: [...] tallie.
2003		Aus. Word Map 🌐 I grew up in WA and always knew them as king browns, I’d never heard them referred to as tallies until I moved to Sydney.
2011		D. Downie in Australian Beers.com 17 Jan. 🌐 Two Aussie blokes, sharing a tallie at 6.30 in the morning, were moving things from the boat to a beaten up car.
2016		www.news.com.au 1 Mar. 🌐 ‘This dude came out of nowhere with a tallie of VB and a snake around his neck,’ the 28-year-old said.