Crossword Genius

Get a move on and stamp out garrulity? (4,2,3,3)

Ross

I believe the answer is:

step on the gas

I'm a little stuck... Click here to teach me more about this clue!

'get a move on' is the definition.
(I've seen this in another clue)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for step on the gas that I've seen before include "Drive faster" , "Hurry" , "Speed up" .)

I've seen this clue in The Globe and Mail.
Want a hint initially instead of a full solution? Install my app