floor the gas(разг.: The witness did not stick around long enough to see what was going to go down next. He floored the gas and flew all the way to his dad’s house and stayed up the entire night.mysteriousuniverse.orgART Vancouver)
hit the gas pedal(The woman who killed six-year-old Joshua Bates in August 2007 in Langley when she accidently hit the gas pedal instead of the brake was given an $800 fine.ART Vancouver)
inadvertently hit the gas(Just after 9:15 a.m. an 89-year-old woman on the 2300 block of Elmwood Avenue was trying to back out of her driveway when she inadvertently hit the gas and accelerated through her garage door. Damage costs are still being estimated.ART Vancouver)