Not in a thousand years! and Never in a thousand years!

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. © 2015 Farlex, Inc, all rights reserved.

Not in a thousand years! and Never in a thousand years!

Fig. No, never! John: Will you ever approve of her marriage to Tom? Sue: No, not in a thousand years! Mary: Will all this trouble ever subside? John: Never in a thousand years!
See also: and, never, not, thousand
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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