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holy mackerel

interjection, Slang.
1.
(used as an exclamation to express surprise or wonder.)
Origin of holy mackerel
1795-1805
1795-1805
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Contemporary definitions for holy-mackerel
interjection

See holy cow

Dictionary.com's 21st Century Lexicon
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Word Value for holy

10
9
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