PROUDa toffee-nosed person thinks that they are better than other people because of their social position – used to show disapproval 势利的;好摆架子的,自命不凡的〔含贬义〕
Examples from the Corpus
toffee-nosed• I thought he was a very toffee-nosed man, a good draughtsman in a commercial sort of way, very accurate of course.