not in a million years

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
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:
  • not in a month of Sundays
  • never in a million years
  • never in a month of Sundays
  • I think not
  • (someone) thinks (they) are so smart
  • hit the big one
  • go against the flow
  • What are you on?
  • use (one's) head for more than (just) a hat rack
  • use your head for more than a hatrack