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A person who speaks at too great a length, saying little of value and often with an air of pretentious authority. Ah, quit prattling on about the government, you old gasbag! You don't know the first thing about politics.

have a gas

To have a thoroughly entertaining, enjoyable, and/or amusing time. I went out last night with all my old high school buddies for a night on the town. We had a gas! We were all having a gas at the party when the police showed up to tell us we were being too loud.
See also: gas, have

hit the gas

To move quickly; to accelerate or go faster. Used especially while riding in an automobile. We'll need to hit the gas if we want to make it to the movie on time.
See also: gas, hit

pour gas/gasoline on the fire

To do or say something to make an argument, problem, or bad situation worse; to further incense an already angry person or group of people. The debate was going poorly for the senatorial candidate, and his strikingly uncouth comments simply poured gasoline on the fire. Revelations of the CEO's massive retirement package poured gas on the fire for consumers already furious over the charity's dubious financial dealings.
See also: fire, gas, on, pour

gas guzzler

A vehicle that consumes more than the average amount of gasoline during normal usage. Every time the price of oil rises, people trade in their gas guzzlers for more fuel-efficient cars.
See also: gas, guzzler

cooking with gas

doing [something] exactly right. That's great! Now you're cooking with gas! I knew she was finally cooking with gas when she answered all the questions correctly.
See also: cook, gas

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

*out of gas

1. Lit. without gasoline (in a car, truck, etc.). (*Typically: be ~; run ~.) We can't go any farther. We're out of gas. This car will be completely out of gas in a few more miles.
2. Fig. tired; exhausted; worn out. (*Typically: be ~; fun ~.) What a day! I've been working since morning, and I'm really out of gas. I think the old washing machine has finally run out of gas. I'll have to get a new one.
See also: gas, of, out

pass gas

Euph. to release intestinal gas through the anus. Someone on the bus had passed gas. It smelled awful. Something I ate at lunch made me pass gas all afternoon.
See also: gas, pass

run someone or something out of something

 and run someone or something out
to chase someone or something out of something or some place. The old man ran the kids out of his orchard. He ran out the kids.
See also: of, out, run

run something out of something

 and run something out
to drive or steer something out of something or some place. The cowboys ran the cattle out of the corral. They ran out the cattle.
See also: of, out, run

step on the gas

 and step on it
to hurry up; to make a vehicle go faster. (As if stepping on an automobile's accelerator. step on the gas. We are going to be late! step on it! Let's go!
See also: gas, on, step

gas up (something)

also gas something up
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.
See also: gas, up

run out of gas

to lose the energy or interest to continue run out of steam I think our team ran out of gas toward the end of the game's first quarter.
Etymology: based on the idea that when a vehicle has no more fuel it will stop moving
See also: gas, of, out, run

step on the gas

to hurry in order to get something done quickly step on it 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)
See also: gas, on, step

be cooking on gas

  (British informal) also be cooking with gas (American informal)
to be making good progress and to be likely to succeed We're cooking on gas. Keep the work coming in like this and we'll meet the deadline.
See also: cook, gas, on

a gas guzzler

  (American informal)
a car that uses a lot of fuel I want to sell this huge gas guzzler and buy something that's cheaper to run.
See run out of steam, Step on it!
See also: gas, guzzler

Step on it!

  (British, American & Australian informal) also Step on the gas! (American & Australian informal)
something that you say to someone when you want them to drive more quickly Step on the gas, will you, we have to be there in five minutes!
See also: on, step

cook with gas

Also, cook on the front burner. Do very well, make rapid progress. For example, The first half is finished already? Now you're cooking with gas, or Two promotions in two years-she's really cooking on the front burner! The first of these metaphoric phrases alludes to gas stoves, which began to replace slower wood-burning stoves about 1915. The variant, which alludes to something on a stove's front burner receiving more attention, is heard less often today. [Slang; 1940s] Also see back burner.
See also: cook, gas

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

out of gas

see under run out of.
See also: gas, of, out

run out of

Exhaust a supply or quantity of, as in We're about to run out of coffee and sugar. This expression, dating from about 1700, can be used both literally and figuratively. Thus run out of gas may mean one no longer has any fuel, but it has also acquired the figurative sense of exhausting a supply of energy, enthusiasm, or support, and hence causing some activity to come to a halt. For example, After running ten laps I ran out of gas and had to rest to catch my breath, or The economic recovery seems to have run out of gas. On the other hand, run out of steam, originally alluding to a steam engine, today is used only figuratively to indicate a depletion of energy of any kind.
See also: of, out, run

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

cooking with gas

in. doing exactly right. (Always with -ing.) That’s great! Now you’re cooking with gas!
See also: cook, gas


1. n. intestinal gas. The baby has gas and will cry for a while longer.
2. n. nonsense. Hey, that’s about enough of your gas.
3. in. to talk nonsense; to brag. (see also gasbag.) Stop gassing for a minute and listen.
4. in. to have a good time. We gassed all evening.
5. and gasser n. a joke; a prank; a wild time. What a gas! I had a great time.
6. n. liquor, especially inferior liquor. Pour me a little more of that gas, will you?
7. and gas up in. to drink excessively; to get drunk. I come home every night and find that you’ve been gassing all day. He gassed up for a couple of hours while waiting for the plane.

gas up

See gas
See also: gas, up


n. a braggart. What’s the old gasbag going on about now?


n. a large automobile that uses much gasoline. The old gas-guzzlers were certainly comfortable.


n. a jocular nickname for an anesthetist. (Hospitals.) My gosh! The gas-passer charged almost as much as the surgeon.

run out of gas

in. to lose momentum or interest. I hope I don’t run out of gas before I finish what I set out to do.
See also: gas, of, out, run

Step on it!

in. Hurry up! (As if one were pressing down on the gas pedal. Not limited to vehicles, though.) We’re late. Come on! Step on it!
See also: on, step

take the pipe

1. and take the gas pipe tv. to commit suicide. (Originally by inhaling gas.) The kid was dropping everything in sight and finally took the pipe.
2. tv. to fail to perform under pressure; to cave in. (From sense 1) Don’t take the pipe, man. Stick in there!
See also: pipe, take

take the gas pipe

See also: gas, pipe, take
References in periodicals archive ?
Which, if any, of these gases actually affects pinholing tendencies remains to be determined.
Scott, "The Decomposition of Resin Binders and the Relationship Between Gases Formed and the Casting Surface Quality--Part 2," AFS Transactions, p 793-804 (1976).
It is generally accepted that the gases present at the mold-metal interface are important determinants in the severity of gas defects found in a metal casting.
Almost all current binder systems produce significant amounts of gases during casting--it would be difficult to design a binder that did not do so.
Despite the inevitability of binder-produced gases, the fact that pinholes only occur in certain cases indicates other factors must be important.
Since a complex series of gases is generated by the pyrolysis of resins, it is not easy to determine the identity of the gas or gases contributing to a particular defect.
One common assumption concerning the nature of these gases is that |H.
The composition of the evolved gases falls roughly within the following ranges: 40-60% |H.
urethane binders produced less defects than furan acid resins, with the phenolic urethanes showing the lowest amount of gases and the smallest evolution rates;
The gases most frequently associated with casting defects are CO, C|O.
Pinholes also may result from soluble gases near the casting surface.
increase the sand permeability to allow the gases to escape through the mold;
Also, the quicker a mold fills, the less time allowed for gases to form;
vent molds and cores to provide the gases a "highway" to escape through;
use a mold or core coating to prevent gases from escaping into the molten metal.