Green’s Dictionary of Slang

1. (Aus.) comfort, solace.

1978		Sydney Morning Herald 9 June 1: In a Sydney court yesterday a solicitor representing Life Savers Ltd was told by a Sydney magistrate that his clients’ case could not be heard because it was not listed. ‘It’s moments like these,’ the magistrate added, ‘you need Minties.’ [GAW4].
1983		Sun-Herald (Sydney) 5 June 113: At moments like these, it isn’t Minties I need, it’s a pantry shelf and freezer stocked with instant or almost instant foods [GAW4].
1993		Bulletin 19 Oct. 93: There was one of those Minties moments at the beginning of the Australian String Quartet’s Adelaide concert. Three of its members sailed happily into the allegro of Beethoven’s Opus 18, No 4, leaving behind astonished violinists who knew they were supposed to be playing the Sculthorpe No 9.

2. (Aus.) a polymer $100 note.

2013

T. Peacock More You Bet 67: The green polymer or ‘plastic $100 note’ is sometimes referred to as a ‘minty’,also due to its colour, and I have also heard it referred to as a ‘Kermit’, after the famous ranine character, and again, due to its colour.