step on it
• go faster, typically in a motor vehicle.
• "if we don't step on it, the pub will have closed for the afternoon"
Similar:
hurry up,
get a move on,
speed up,
go faster,
be quick,
get cracking,
get moving,
step on the gas,
rattle one's dags,
get one's skates on,
stir one's stumps,
get a wiggle on,
put foot,
make haste,
