with your nose in the air
with (one's) nose in the air
In a haughty, condescending, or disdainful manner. The CEO always strolls through the office with his nose in the air, as if he's better than all us peons who do the actual work in the company.
with your nose in the airhaughtily.
1994 Time Charles de Gaulle arrived in the U.S. with his nose in the air; he considered Jackie empty and much too beau monde.