cooking with gas
Definition from Wiktionary, the free dictionary
- (idiomatic) Functioning particularly effectively; achieving something substantial.
- With the updated software, I was really cooking with gas. I got the project done in half the time.
- Grammatically, a use of the "-ing" form of cook + the prepositional phrase "with gas". Together with a form of be this forms a progressive verb predicate. Only rarely are other forms used in this idiomatic sense.