Answer: pumpupthevolume

AnswerCrossword Clue
PUMPUPTHEVOLUMECry to a DJ, perhaps
PUMPUPTHEVOLUMEShout to a DJ
PUMPUPTHEVOLUMEShout to a timid DJ?
PUMPUPTHEVOLUME"The radio's not loud enough"