the foggiest idea

the foggiest (idea)

Knowledge or understanding of something. Typically used in the negative to show that one does not know something. He does not have the foggiest idea how hard it is to run a business. Where are your keys? I haven't the foggiest.
See also: foggy
Farlex Dictionary of Idioms.

the foggiest (idea)

n. (even) a hazy idea. (Usually in the negative.) I’m sorry I don’t know. I haven’t the foggiest.
See also: foggy, idea
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • (I) wouldn't (do something) if I were you
  • a/the feel of (something)
  • a fast talker
  • (one) doesn't give a rip (about something)
  • all right
  • (you've) got to get up pretty early in the morning to (do something)
  • (one) doesn't give a hoot (about something)
  • a straw will show which way the wind blows
  • (one) won't hear of (something)
  • (one) never would have guessed
References in periodicals archive
If only, that is, anyone had the foggiest idea what he was on about.
And even if you haven't the foggiest idea about the quality of bone-china dinner sets or the things to check while buying a multi-utility vacuum cleaner, you can rest assured of the quality of a product backed by brand Naaptol.
Meanwhile, James, played by Dylan Llewellyn, obviously doesn't have the foggiest idea what these wee girls are going on about.
Everyone says they don't want a hard border but no-one has the foggiest idea how to leave the EU without one.
The other is that Team Justin[TM] doesn't have the foggiest idea what it plans to do in Africa.
Director Peter Hall reputedly told his cast: "I haven't really the foggiest idea what some of it means - but if we stop and discuss every line we'll never open." Peter Bull, who played Pozzo, later said "waves of hostility came whirling over the footlights and the mass exodus, which was to form such a feature of the run of the piece, started quite soon after the curtain had risen".
The truth is we don't have the foggiest idea. Some early guesses of 30 million or even 100 million have been replaced in the last few years with more reliable estimates of somewhere between five to ten million species.
By Andrew Amsan in New Delhi WHEN race walker K Ganapathi joined the Army back in 2008, he did not have the foggiest idea about the discipline in which he would go on to become a contender for an Olympic berth.
When you're drafting your next statement, giving us the foggiest idea of what you intend to do about it would be nice.
She and her comrades are put where they are to carry out our bidding, how can they do that if they haven't got the foggiest idea what the council tax paying people of this city want?
I worked for a while for a man who was a good example of a manager who didn't have the foggiest idea of how to get good work from his employees.
And for one walker on the banks of the Forth and Clyde Canal, it looked like he hadn't the foggiest idea where he was going.
From the evidence so far surfacing ("Building contracts rigged; ExMakati official: That's our practice," News, 9/5/14), he is now perceived as either shamelessly corrupt himself (if he knew about and profited from the anomalies) or grossly and unpardonably incompetent as an executive officer (if he didn't have the foggiest idea his officials were ripping off the residents of Makati).
Thomas even sealed the deal further by proclaiming, rather disingenuously, "I haven't touched the Garand don't have the foggiest idea how it shoots." So, hoping against hope, I rounded up targets, ammo and chronograph and off we went.
an episode behind) and haven't really the foggiest idea what is going on...