To cry, to throw the snot or snivel about. Snivelling; crying. A snivelling fellow; one that whines or complains.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
To Snite * To SnoachNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes