Phonetic loan from English 'yuppie' (Young Urban Professional). 雅 'ya' approximates 'yu', 皮 'pi' = 'pp', 士 'shi' marks a class of person (cf. 战士 warrior, 博士 PhD).
register
Slightly dated - strongly associated with 1980s Western culture. Modern Chinese often uses 白领 (báilǐng, white-collar) or 都市精英 (dūshì jīngyīng, urban elite) instead.
