Stemming from the term fish taco, a tuna hot dog refers to the dildo worn by a woman during sex.
Hey baby, wanna come back to my place? I've got a tuna hotdog with your name on it.
by Stanley Upstanding April 1, 2011
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The Term used to describe an individual who has become so high from marijuanna that he misreads the lyrics to "Do the Hustle" as "Tuna Hotdog" - this is all while playing Super Mario Cart and playing with a black light.
da da da dadada da da - da da da dada - Tuna Hotdog!
by Tuna Hotdog April 18, 2009
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After you put a dick in a dirty vagina and wake up the next morning it smells like a can of tuna.
I hooked up with toilet mouth last night and I got a big whiff of my hotdog tuna when I woke up.

I'M gonna pack that ass with this hotdog tuna!
by Wrenstin March 24, 2017
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