Word of the Day: Arriviste

From Wiktionary.com:

Noun
Singular: arriviste

Plural: arrivistes, arriviste (plural arrivistes)

upstart, newcomer, late arrival, nouveau riche, generally characterised as an ambitious, brash or arrogant person who has yet to integrate with his or her new social group.

They say that like it's a bad thing. Jealous.