We found 7 dictionaries that define the word holy mackerel:

General (5 matching dictionaries)

1. holy mackerel: Merriam-Webster
2. holy mackerel: Wiktionary
3. holy mackerel: Infoplease Dictionary
4. holy mackerel: Dictionary.com
5. The Holy Mackerel: Wikipedia, the Free Encyclopedia

Miscellaneous (1 matching dictionary)

6. Holy mackerel: Idioms

Slang (1 matching dictionary)

7. holy mackerel: Urban Dictionary

Phrases: The Holy Mackerel, more... ▸ Words similar to holy mackerel ▸ Usage examples for holy mackerel ▸ Idioms related to holy mackerel ▸ Wikipedia articles (New!) ▸ Words that often appear near holy mackerel ▸ Rhymes of holy mackerel ▸ Invented words related to holy mackerel