tank up (something)

to fill the fuel container of a vehicle with gas or other fuel.

There won't be any gas stations for miles and miles, so we'd better tank up now.

It's always a good idea to tank up a rented car before you return it.

• have eye on someone
• have eye on something
• have eyes in the back of head
• have eyes in the back of your head
• have eyes like a hawk
• have feet on the ground
• have finger on the button
• have finger on the pulse
• have fingers in the till
• have first call on
• have first call on something
• have first crack at
• have first crack at something
• have first refusal
• have friends in high places
• have fun and games
• have going for
• have going for it
• have going for you
• have got it bad
• have got it made
• have got number
• have got someone's number
• have got the hump
• have got to be kidding