Green’s Dictionary of Slang

1. (US) to confuse with a deluge of smooth, if insincere, talk; thus snowed adj., confused with such talk.

1897		‘Mark Twain’ Tom Sawyer, Detective 51: But she busted in on him there and just piled into him and snowed him under.
1904		Ade ‘The Fable of the Taxpayers Friend’ True Bills 123: About 10 P.M. the Benefactor who had drawn Pictures of himself sitting in the Leather Chair learned that he had been snowed good and proper.
1908		Bulletin (Sydney) 6 Aug. 11/1: Plainly, Pook didn’t know London. London fell on him and snowed him up. His fame got there ahead of him, and he found an avalanche of begging letters awaiting him.
c.1943		‘Bill O. Lading’ You Chirped a Chinful!! n.p.: Snow me: Tell me something cheerful even if untrue.
1952		J. Jones From Here to Eternity (1998) 29: You cant snow an old bull like him with promises.
1961		H. Ellison Rockabilly (1963) 96: You ain’t sharp enough, Shel-baby, to know when someone’s snowin’ the ass off you.
1964		H. Selby Jr Last Exit to Brooklyn 28: Georgette was smart and could snow them under with words.
1979		E. Torres After Hours 9: My lawyer, Jacobs, tries to snow me.
1983		A-Team Storybook 6: Don’t try to snow me, Face Man.
1991		W.T. Vollmann Whores for Gloria 87: He kept the conversation going like he was a real nice guy. He really snowed me.
2000		Ottawa Sun 11 Feb. 14: Knowing they would be hammered with questions about where the supposedly missing money went, they’ve responded with a vengeance. They’re snowing us under with information.
2006		G. Iles Turning Angel 130: I used to think he was fun. He had me snowed like the rest. Not now, though. I saw through him.
2009		(con. 1960s) J. Ellroy Blood’s a Rover 17: The PD fabricated some evidence and snowed the grand jury.

2. (Aus. drugs) to inhale cocaine.

1924

Truth (Brisbane) 22 June 12/5: ‘Cocaine may be taken hypodermically or by “sniffing” or “snowing,” as it is called’.