snort at

snort at (someone or something)

To make an audible snorting noise as a means of conveying one's wry displeasure, disgust, disdain, etc., about someone or something. My father snorted at the headlines about the mayor's new tax plan. The police officer just snorted at the handcuffed youth when he started whining how his rich father would have the charges dropped by lunchtime.
See also: snort
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

snort at someone or something

to show one's displeasure with someone or something by snorting. The customer snorted at the waiter for his surliness. The customer snorted at the prices and walked out.
See also: snort
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
I've witnessed them snort at housecats, raccoons and many other smaller mammals we often encounter.
"I would guess I saw her snort at least eight lines of ketamine during the night."