gas up

1. To put gasoline into a vehicle, especially to fill the tank to capacity. You should gas up before hitting the road. Dad, can I go inside and get a slushie while you gas up? Sophia's car gets really great mileage. On our road trip, we could drive for hours before we had to gas up.

2. slang To drink alcohol to the point of intoxication. The guys are down at the bar gassing up before the game. Yeah, I would gas up when I was younger, but I've been sober for years. If you're gonna gas up at the bar tonight, please stay over at Jake's place, OK? Don't even think about driving yourself home.

See also: gas, up

gas something up

to put gasoline into a vehicle. I have to gas this car up soon. I will stop and gas up the car at the next little town.

See also: gas, up

gas up

to fill up one's gasoline tank with gasoline. I have to stop at the next service station and gas up. The next time you gas up, try some of the gasoline with alcohol in it.

See also: gas, up

gas up

Supply a vehicle with gasoline, as in I want to be sure to gas up before we go. James M. Cain used this term in The Postman Always Rings Twice (1934): "I went to gas up a car." [Colloquial; c. 1930 Also see tank up.

See also: gas, up

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

gas up

1. To supply gasoline or fuel to a vehicle: The tank was almost empty, so we stopped at a service station and gassed up.

2. To supply some vehicle or machine with gasoline or fuel: We gassed up the car before the road trip. After fixing the lawn mower, I gassed it up and tried to start it.

See also: gas, up

gas up

verb

See gas

See also: gas, up

gassed (up)

mod. alcohol or drug intoxicated. Fred is gassed up and very wobbly.