look down your nose at

look down (one's) nose at (someone or something)

To regard oneself as superior to others and thus act in a haughty or snobbish manner. The well-dressed businessman looked down his nose at the homeless man sitting on the corner. Once Jane was promoted to management, she looked down her nose at the people who used to be her colleagues.
See also: down, look, nose

look down your nose at

despise. informal
See also: down, look, nose
References in periodicals archive ?
But you can't afford to look down your nose at anybody.
And it's nothing but snobbery to look down your nose at an organisation because you don't think they'll have the business sophistication to run a football club.
Telling the world how clever they are but seemingly unable to gain employment, how dare you look down your nose at the working man.
Don't look down your nose at people who aren't as fortunate as you are - getting down off your high horse would be a big step toward accomplishing that.
Don't look down your nose at the match-fixers embroiled in scandal in Italy - because it's an odds-on shot it's happening here too.
If a drunk comes up to you in a hospitality suite and tells you to 'f*** off to Newcastle', you would look down your nose at him and walk away.