Answer: gunit

AnswerCrossword Clue
GUNITHit the gas
GUNIT"Give 'er some gas!"
GUNITPut the pedal to the metal
GUNIT"Put the pedal to the metal!"
GUNIT"Hit the gas!"
GUNIT"Hit the gas"
GUNIT"Go fast!," to a driver
GUNITHit the accelerator
GUNITPut one's foot down, in a way?
GUNITBad thing to do when you see a yellow light