make a killing

make a killing

To earn a large profit. We can make a killing on these toys if we're able to market them in time for the holidays. It's very rare for someone to make a killing on their first investment—it takes a lot of time and patience.
See also: killing, make
Farlex Dictionary of Idioms.

make a killing

Fig. to have a great success, especially in making money. John has got a job selling insurance. He's not exactly making a killing. Bill made a killing at the racetrack yesterday.
See also: killing, make
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

make a killing

Enjoy a large and quick profit, as in They made a killing in real estate. This expression alludes to a hunter's success. [Slang; late 1800s]
See also: killing, make
The American Heritage® Dictionary of Idioms by Christine Ammer.

make a killing

COMMON If someone makes a killing, they make a large profit very quickly and easily. The boss of Britain's top pizza company made a killing yesterday by selling off some of his shares. If there is uncertainty about future gold prices, you could be lucky and make a killing.
See also: killing, make
Collins COBUILD Idioms Dictionary, 3rd ed.

make a killing

have a great financial success, especially on a stock exchange.
See also: killing, make
Farlex Partner Idioms Dictionary

ˌmake a ˈkilling

(informal) make a lot of money quickly: He was clever. He invested a lot of money in property. When prices went up, he made a killing. OPPOSITE: lose your shirt
See also: killing, make
Farlex Partner Idioms Dictionary

make a killing

tv. to make an enormous profit; to become an enormous success. I wanted to make a killing as a banker, but it didn’t work out.
See also: killing, make
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • high days and holidays
  • consume
  • consume mass quantities
  • tire of
  • tire of (someone or something)
  • in storage
  • aching heart
  • in care of
  • in care of (someone)
  • console with