Answer: hopup

AnswerCrossword Clue
HOPUPExcite
HOPUPIncrease the energy of
HOPUPBoost the horsepower of
HOPUPEnergize
HOPUPSupercharge
HOPUPMake excited
HOPUPReach a higher level?
HOPUP"Jump into Mommy's lap!"
HOPUPWhat you might have to do to sit on a barstool
HOPUPJump aboard
HOPUP"Climb onto Papa's lap!"
HOPUPMake more powerful, in slang
HOPUPMake more powerful, so to speak
HOPUPAmplify, informally
HOPUPTurn on
HOPUPIncrease the power of, as an engine
HOPUP"Jump into Daddy's lap!"