presumptuously arrogant; "had a witty but overweening manner"; "no idea how overweening he would be"- S V Benet; "getting a little uppity and needed to be slapped down"- NY Times
disapproval If you say that someone is uppity, you mean that they are behaving as if they were very important and you do not think that they are important. If you just tried to show normal dignity, you were viewed as uppity. behaving as if you are more important than you really are, or not showing someone enough respect (up)