Green’s Dictionary of Slang

(Aus.) Castlemaine XXXX beer.

2016		Instagram: Darren 28 Sept. 🌐 Milton Mangoes’ the term used colloquially for yellow cans of XXXX (brewed in Milton of course).
2017		Twitter 7 Jan. 🌐 Tag a mate who has a funny accent and tag a mate who loves a Milton Mango but don't tell them.