to hurry in order to get something done quickly.

If we're going to get this done today, it's time to step on the gas.

Etymology: based on the literal meaning of step on the gas (= to make a car go faster by giving the engine more gas)

• have an eye for something
• have an eye for the main chance
• have an eye on the main chance
• have an open mind
• have a nose
• have a nose for
• have a nose for something
• have a nose round
• have another think
• have another think coming
• have ants in pants
• have ants in your pants
• have a one-track mind
• have a ... pair of lungs
• have a pot to piss in
• have a prayer
• have a ring to it
• have a rough time
• have a rough time of it
• have a screw loose
• rattle cage
• rattle off
• rattle off something
• rattle someone's cage
• raw deal