not/never in a hundred, etc. years

never in a thousand years

Not at any point; under absolutely no circumstances. never in a thousand years did I think that I would actually win the lottery! A: "Would you ever go on a date with Jake?" B: "Ew, never in a thousand years!"
See also: never, thousand, year

not in a million years

Not at any point; under absolutely no circumstances. Not in a million years did I think that I would actually win the lottery! A: "Do you think Samantha will agree to go on a date with Jake?" B: "Not in a million years!"
See also: million, not, year

not in a thousand years

Not at any point; under absolutely no circumstances. Not in a thousand years did I think that I would actually win the lottery! A: "Would you ever go on a date with Jake?" B: "Ew, no, not in a thousand years!"
See also: not, thousand, year
Farlex Dictionary of Idioms.

not/never in a hundred, etc. ˈyears

(spoken) used to emphasize that you will/would never do something: I’d never have thought of that in a million years.
See also: never, not, year
Farlex Partner Idioms Dictionary
See also:
  • never in a thousand years
  • not in a thousand years
  • Not in a thousand years! and Never in a thousand years!
  • never in a million years
  • never in a month of Sundays
  • not in a million years
  • not in a month of Sundays
  • hit the jackpot
  • hit the jackpot, to
  • jackpot