gas up phrasal verb American English (see also gas)
to put petrol in a car:
We’d better gas up before we go.
gas something ↔ up
George gassed up the car.

[TahlilGaran] Dictionary of Contemporary English ▲

gas up
gas up (something)
to put fuel in a vehicle.
We stopped at a service station to gas up the car and clean the windshield.

Gas it up and check the oil.

[TahlilGaran] English Idioms Dictionary ▲

gas up something
gas up (something)
to put fuel in a vehicle.
We stopped at a service station to gas up the car and clean the windshield.

Gas it up and check the oil.

[TahlilGaran] English Idioms Dictionary ▲

gas up
to fill up a gas tank
We must gas up before we leave on our holiday tomorrow.

[TahlilGaran] English Idioms Dictionary ▲

gas up
v., informal
1. To fill the gasoline tank of.
The mechanics gassed up the planes for their long trip.
2. To fill the tank with gasoline.
The big truck stopped at the filling station and gassed up.

[TahlilGaran] English Idioms Dictionary ▲