If you are looking for synonyms for the phrase "give it some gas," there are plenty of options to choose from. Some of the options include giving it more power, stepping on the accelerator, pressing on the gas pedal, increasing the speed, and revving up the engine. Other possible synonyms include putting the pedal to the metal, giving it more juice, accelerating, and giving it more throttle. Ultimately, the choice of synonym will depend on the context in which the phrase is being used and the effect that you want to create. Whatever the choice, these phrases convey an sense of urgency and a need for speed.