Answer: upstarts

AnswerCrossword Clue
UPSTARTS

Cocky, successful people

UPSTARTS

Presumptuous nouveaux riches

UPSTARTS

Social climbers

UPSTARTS
Johnny-come-latelies
UPSTARTS
Arrivistes
UPSTARTSParvenus.
UPSTARTSParvenus
UPSTARTSWhipper-snappers
UPSTARTSThey're not "old money"
UPSTARTSRaises the price of some pastries?
UPSTARTSNewly rich people
UPSTARTSArrogant newcomers
UPSTARTSThe nouveau riche