not have the foggiest notion

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not have the foggiest notion

To have no knowledge or understanding about something. He doesn't have the foggiest notion how hard it is to run a business. A: "Do you know where the car keys are?" B: "I don't have the foggiest notion. Sorry."
See also: foggy, have, not, notion
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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References in periodicals archive ?
This was an early lesson in self-soothing but the majority of adults haven't the foggiest notion how to constructively soothe or nurture themselves.
The vast majority of people you deal with haven't the foggiest notion about the game.
On the flip side, many artists haven't the foggiest notion on how to run a business or promote themselves.
It should be noted, however, that many practitioners of the world's religions are deeply spiritual people, but it is also true that many practitioners haven't the foggiest notion of what true spirituality is all about and are just following the rules.
"The vast majority of those making marketing decisions are fast-track MBAs who haven't the foggiest notion of what an older person is all about," he says.
And although OTA's criticism of SDI was literally page one news in D.C.--"Hill Agency Challenges Reagan Vision" was the Post headline--most Washingtonians likewise haven't the foggiest notion. Hardly anybody anywhere knows that it is one of the few government bodies succeeding at something worthwhile.