turn up your nose at
turn up (one's) nose at (someone or something)
To show contemptuous or haughty disdain, distaste, or disregard for someone or something. The duke turned up his nose at having to sit beside local fishermen during the press event. The members of the board may turn up their noses at our plan, but they'll come to realize that it's the only chance we have of keeping the company afloat. She turned up her nose at me when I asked her out.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
turn up your nose atshow distaste or contempt for something. informal
Farlex Partner Idioms Dictionary © Farlex 2017