Answer: pepup

AnswerCrossword Clue
PEPUPAdd energy to
PEPUPAdd zing to
PEPUPGive some zing
PEPUPFill with energy
PEPUPStimulate
PEPUPStimulate: Slang.
PEPUPStimulate: Colloq.
PEPUPEnliven: Slang.
PEPUPRevive the spirits of
PEPUPVivify
PEPUPEnergize
PEPUPVitalize
PEPUPPut some pizazz in
PEPUPCome alive
PEPUPCaffeinate
PEPUPRejuvenate
PEPUPAdd zip to
PEPUPAnimate
PEPUPInvigorate
PEPUPEnliven