Green’s Dictionary of Slang

1. (Aus.) snake-proof gaiters.

1914

Sport (Adelaide) 1 May 4/6: Ern P. still wears snakies on Saturday nights. Are they worm proof or germ proof?

2. snakeskin shoes or boots.

2001

K. Sampson Outlaws (ms.) 42: Probably all kinds of snot and fucking smackhead slobber on my snakies.