From Longman Dictionary of Contemporary Englishthe gasthe gasAmerican English the gas pedal of a car SYN accelerator We stepped on the gas (=pushed down the gas pedal and made the car go faster) and sped away. → gas
Examples from the Corpus
stepped on the gas• The driver stepped on the gas and tried to escape.• A car honked behind him, and Miguel gratefully stepped on the gas.• According to his lawyer, Brooks claims he heard some one utter the N-word, so he stepped on the gas.• Then he stepped on the gas and sped away from him.• He stepped on the gas suddenly.• Miguel stepped on the gas and grinned.• Miguel stepped on the gas, roaring past all of them with a gust of dirt. 