Green’s Dictionary of Slang

1. (Aus.) wine.

1957		D. Niland Call Me When the Cross Turns Over (1958) 85: This is a little bottle of stinko.
1960		F. Keinzly Tangahano 175: Buy [...] a big quart bottle of nice stinko.

2. (US) an alcoholic tramp [ref. to Sterno or ‘canned heat’, i.e. solidified alcohol consumed by down-and-outs].

1950

Goldin et al. DAUL 212/1: Stinko, n. (Hobo; far West) A hobo who drinks canned heat.

3. (Aus.) a drunk.

1962

(con. WWII) J.O. Killens And Then We Heard The Thunder (1964) 378: I don’t feel like dancing with this one and the other. Especially the stinkos.

4. (US) something valueless.

1985

Detroit Free Press (MI) 21 Mar. 3B/1: ‘We’ve bought some real stinkos in the past [...] Helping people avoid the occasional “stinko” sitting in the local used car lot’.