not have the foggiest notion



not have the foggiest notion

to not know anything at all about something not have the faintest idea I don't have the foggiest notion what that book is about.
See also: foggy, have, not, notion

Common Names:

NameGenderPronouncedUsage
Lovise-Danish, Norwegian
Deryn-Welsh
Siana-Welsh
Jamarjə-MAHRAfrican American
Alyssiaə-LIS-yəEnglish (Modern)
Agneza-Croatian