the something to end all sths

the/a (something) to end all (somethings)

That which outclasses or is more impressive than anything else of its kind could ever hope to be. Many people still believe that, from a technical filmmaking perspective, "Citizen Kane" is the film to end all films. I remember when we all thought this impressive machine was the computer to end all computers. Now it seems positively archaic compared to the devices we all use today.
See also: all, end
Farlex Dictionary of Idioms.

the something to end all sths

used to emphasize how large, important, exciting, etc. you think something is: The movie has a car chase to end all car chases. Many people said that World War I would be the war to end all wars.
See also: all, end, something, sths
Farlex Partner Idioms Dictionary
See also:
  • sths
  • the/a (something) to end all (somethings)
  • to end all
  • granddaddy
  • be (really) something
  • be quite something
  • be greater/more than the sum of its parts
  • be more/bigger/greater than the sum of its parts
  • greater
  • sum