Submitted by György Chityil ... on Fri, 01/19/2018 - 18:14 Hierarchy: PhraseDescription: {{idiomatic}} I don't know, I haven't a clue (as thoughts clouded by a thick fog).Ngram: I haven't the foggiestNgram Text: I haven't the foggiestSource: WiktionaryIssue: 0Ngram Count: 4