Green’s Dictionary of Slang

1. snow.

1992		R. Puxley Cockney Rabbit.
2002		B. Kirkpatrick Wicked Cockney Rhy. Sl.

2. (Aus.) a moustache [= mo n.¹ (1)].

1967		‘Whisper All Aussie Dict.’ in Kings Cross Whisper (Sydney) xli 4/4: to and fro: Moustache.
1983		R. Aven-Bray Ridgey-Didge Oz Jack Lang 47: To and Fro Mo (moustache).