nose in the air, have one's

have (one's) nose in the air

To have a haughty, condescending, or disdainful manner. No one in the neighborhood cares for the Smiths. It always seems like they have their noses in the air whenever they're socializing with us. You're not going to make many friends at your new school having your nose in the air like that.
See also: air, have, nose
Farlex Dictionary of Idioms.

nose in the air, have one's

Be haughty or disdainful, as in Ever since we moved in, our next-door neighbor has had her nose in the air. The related phrase with one's nose in the air means "haughtily," as in She thinks she's so smart; she's always walking around with her nose in the air. Also see turn up one's nose at.
See also: have, nose
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • have (one's) nose in the air
  • have nose in the air
  • stick (one's) nose (up) in the air
  • (one's) nose is (always) in the air
  • one's nose is in the air
  • with (one's) nose in the air
  • with your nose in the air
  • sneer
  • sneer at
  • sneer at (someone or something)