Green’s Dictionary of Slang

1. the nose [SE snuff, to sniffle or snuffer, a cone-shaped implement for extinguishing candles].

1846		Swell’s Night Guide 132/1: Snuffle, the nose.
1848		Flash Dict. in Sinks of London Laid Open.

2. (Aus./N.Z.) pious cant, humbug; thus on the snuffle, canting, uttering sanctimonious pieties; thus a nickname for a puritan [the SE snuffling tones of the self-appointed moralist].

[1770		Foote ‘The Lame Lover’ in Works (1799) II 84: Serjeant Snuffle, [i.e. a lawyer] whose manner I studied, pronounced me a promising youth].
[1788		G.S. Cotter ‘Epistles from Swanlinbar’ in A. Carpenter Verse in Eng. in 18C Ireland (1998) 380: Lord Snuffle sat down at the top of the row, / And Mrs Bumshuffle a little below].
1860		R.W. Emerson Conduct of Life Ch. vi: There is surely enough for the heart and imagination in the religion itself. Let us not be pestered with assertions and half–truths, with emotions and snuffle.
1887		Bulletin (Sydney) 5 Nov. 14/3: [A] pious person of saintly aspect [...] said, with an unctuous snuffle, ‘I cannot pay you any more in this world, but I hope to give you the balance in the next.’.
1905		H. Lawson ‘Joseph’s Dreams and Reuben’s Brethren’ in Roderick (1967–9) II 114: He summoned snuffle to his aid, / And put it all on God.
1908		Sun. Times (Perth) 31 May 1/1: Perth parsons are chock-a-block of snuffling incongruity [and] while they fervently howl against Sunday recreation their own sons are sinners.
1910		Bulletin (Sydney) 7 July 30/2: Private Enterprise is on the snuffle once more. [...] Does Private Enterprise know anything of its business at all; or does it merely speak as the wind blows its tongue about. [Ibid.] 13 Oct. 18: [pic. caption of a pair of puritans] Snuffle: ‘Hit hard, Bill. Let us get the thin edge of the wedge in; the rest will soon follow.’.
1914		Bulletin (Sydney) 8 Oct. 41/2: About the most priceless sample of snuffle of the present war was the sentence with which London Daily Mail (8/8/’14) began its leader: ‘Thank God, we are one nation again!’.
1937		Sun. Times (Perth) 19 Dec. 33/2: There was no sanctimonious snuffle and cant about the inky messages printed in this office.
2003		Brainy Dict. 🌐 [as in Webster 1913] Snuffle (n.) An affected nasal twang; hence, cant; hypocrisy.