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A fishing term that is the result of a fishing trip on a headboat in south eastern US, that results in the catch of the following fish:

King Mackerel
Will: "Fair seas & calm winds, although the current was ripping -- I caught a Smoker, Firetruck & a Reef Donkey"
Madeline: "Sounds like a sweet day on the water, bro -- I had a Headboat Slam as well!"
by porcha April 13, 2013
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