Submitted by György Chityil ... on Fri, 01/19/2018 - 23:17 Hierarchy: InterjectionDescription: {{idiomatic|humorous|or|euphemistic}} An expression of surprise.Ngram: holy mackerelNgram Text: holy mackerelSource: WiktionaryIssue: 0Wiktionary tag: humorouseuphemisticNgram Count: 2