Question

Turn up Your Nose at Someone to regard something with haughtiness; to be snobby; to show that someone or something is not good enough for you

Accepted Answer

Since Barbara moved to the city, she turns up her nose at her old pals. Even in the 1500s, when this idiom was created, people showed scorn for things they considered beneath them by sneering or putting their noses in the air in a snooty way. That arrogant facial expression created the saying "turn your nose up," because that's what people did if they thought they were better than everyone else.

Idiom	Turn up Your Nose at Someone
Example	Since Barbara moved to the city, she turns up her nose at her old pals.
Meaning	to regard something with haughtiness; to be snobby; to show that someone or something is not good enough for you
Origin	Even in the 1500s, when this idiom was created, people showed scorn for things they considered beneath them by sneering or putting their noses in the air in a snooty way. That arrogant facial expression created the saying "turn your nose up," because that's what people did if they thought they were better than everyone else.

Nose People Turn Barbara Moved City Pals Regard