not have the foggiest

not have the foggiest

To have no knowledge or understanding whatsoever about something. He doesn't have the foggiest how hard it is to run a business. A: "Do you know where the car keys are?" B: "I don't have the foggiest. Sorry."
See also: foggy, have, not
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

not have the foggiest (idea or notion)

have no idea at all. informal, chiefly British
See also: foggy, have, not
Farlex Partner Idioms Dictionary © Farlex 2017

not have the ˈfaintest/ˈfoggiest (idea)

(British English, informal) have no idea at all about something; not know anything at all: I haven’t got the faintest idea what to buy Roger for his birthday.‘Where are we?’ ‘I’m afraid I haven’t the foggiest.’
See also: faint, foggy, have, not
Farlex Partner Idioms Dictionary © Farlex 2017
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References in periodicals archive ?
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.
But they should not feel bad about the incident, the minister also did not have the foggiest of what he was reciting.)
It is entirely possible that he made yesterday's statement in order to calm things down, after Wednesday's farcical meeting with the party leaders, at which he confirmed everyone's fears that he did not have the foggiest idea what to do about the mounting problems facing the economy.
And she added she also had an Egyptian text tattooed on her back but "did not have the foggiest" about what it actually meant.
Broken down into six chapters, Barlett and Steele judiciously examine some of these elements as: rampant overcharging of patients who do not have insurance, dissuading people from purchasing drugs from Canada with false information concerning the Canadian pharmaceutical industry, caving into the demands of special interest groups, the non-existence of independent monitoring of diagnostic test results and hospital mistakes, permitting politicians and business people to assume key roles to the detriment of the welfare of the citizens, a culture of cronyism giving rise to blatant fraud in many instances, doctors having to deal with conditions apt to be found in undeveloped countries, peopled shuffled around by individuals who do not have the foggiest notion as to how to deal with them.
If we were to interview the inmates of a juvenile justice facility we would undoubtedly find that the majority were moderately well acquainted with the Ten Commandments, but would not have the foggiest notion about evolution.
New teachers certainly know art history and can write a lesson plan, but they do not have the foggiest idea of how to teach in a classroom setting.
The Paolo and Paulo show - Wanchope does not have the foggiest idea what he going to do, Di Canio just gives the impression that he is playing on the edge when, in fact, he is in total control - sliced Leicester apart on Saturday, West Ham having 23 shots at goal, with 11 stabs testing Tim Flowers.
But like the majority of youngsters, (if they are honest), Fiona Skinner did not have the foggiest idea.
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