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Holy mackerel is an expression of surprise, astonishment, joy, glee, incrudulity.

Holy mackerel is an ejaculatory term - meaning it occurs rather sudden.

The meaning of the name is an oxymoron, as the mackerel (Atlantic mackerel) is one of the smellier fish and juxtaposed against the Holy, there is nothing Holy about that smell. So in other words its a bit ironic and thus is funny to hear.

Holy Mackerel, Batman is a fav culture classic from the 1960's TV series show Batman that starred Adam West and Burt Ward.
by Byron Whiteson III August 29, 2009
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May 22 Word of the Day
A moment that is generally agreed to have had a significant influence on pop culture and everyday life. While the term was coined by Rose McGowan in context of the #MeToo movement, and is mostly associated with the K-pop community, the phenomenon is universal and a basic component of how culture works.

Real world events such as social/political movements, the election of a new U.S. President, major catastrophes and disasters, as well as entertainment such as movies, music and TV, can all function as cultural resets. Notable cultural resets in relatively recent memory include:

* The Beatles appearing on the Ed Sullivan show in 1964
* The Watergate scandal of 1974
* The release of Nevermind by Nirvana in 1991
* The September 11, 2001 attacks
* The election and inauguration of Barack Obama in 2009
* The COVID-19 pandemic
"The Nineties politically started with the fall of the Berlin Wall on November 9, 1989 and the Soviet Union dissolving on December 26, 1991, and ended with both the 2000 Presidential election which saw the victory of George W. Bush and the terrorist attacks on September 11, 2001 which left people so stupefied that it functioned as something of a cultural reset button." - TV Tropes' article on the 1990s
by Spike from Degrassi February 09, 2021
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2
An expression used when something happens that is unexpected HOLY MACKEREL!
Holy mackerel I was never expecting that DOG to jump on me. I feel like going out and catching an actual mackerel to settle my nerves. Holy mackerel
by S.Dawg June 03, 2017
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3
An interjection a white father exclaims when he is surprised, shocked, or even terrified.
by guysbeingdudes January 25, 2015
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4
it is a joke melee weapon for the scout class in tf2

it has bad damage but its almost used by all casual scouts becuase its funny
it also has jiggle bone physics when you hold it and can sometimes twist itself when you swing it
fish scout:fish
everyone else in the server: fish
the fish they are refering to is the holy mackerel item
by snipermaintf2 October 27, 2020
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