step on it

Related to step on it: step out

step on it

To go faster or as fast as one can, especially in a car. Often used as an imperative. Take me to the airport, and step on it! We'll need to step on it if we're going to get to the movie on time.
See also: on, step
Farlex Dictionary of Idioms.

step on it

Hurry up, go faster, as in Step on it or we are going to be late. This idiom alludes to stepping on a vehicle's gas pedal. [Colloquial; c. 1920]
See also: on, step
The American Heritage® Dictionary of Idioms by Christine Ammer.

step on it

1 make a motor vehicle go faster by pressing down on the accelerator pedal with your foot. 2 hurry up. informal
See also: on, step
Farlex Partner Idioms Dictionary

ˈstep on it

(also step on the ˈgas especially in American English ) (informal) drive a car faster; accelerate: You’ll be late if you don’t step on it.
See also: on, step
Farlex Partner Idioms Dictionary

Step on it!

in. Hurry up! (As if one were pressing down on the gas pedal. Not limited to vehicles, though.) We’re late. Come on! Step on it!
See also: on, step
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions

step on it

Informal
To go faster; hurry.
See also: on, step
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • Step on it!
  • step aside
  • brick by brick
  • step on the gas
  • fall into step
  • take a step back
  • keep step
  • step back
  • step-child
  • step-kid