›UKinformaldisapprovingbehavingrudely to other people in a way that shows that you believe yourself to be better than them: The only difficultbit about working in a shop is when you get a snotty customer that you have to deal with.Showing arrogance and conceitConfidence and self-assuranceBoasting›USinformaldisapprovingrude and behavingbadly: a snotty teenagerShe was so snotty to me!Rude and cheekyRelating to sex and sexual desire