Green’s Dictionary of Slang

(UK Und.) tobacco.

1938		F.D. Sharpe Sharpe of the Flying Squad 333: snouty : Tobacco.
1939		Dly Mirror (London) 2 May 22/1: [cartoon caption] Ah — that’s Soho slang, Jo! ‘Snouty’ means tobacco, ‘River Ouse’ booze [...] and ‘band of hope’ is dope.