For centuries the true definition of Tuna Sandwich has been lost until recently. Explorers discovered hyroglyphics covering the walls of the long lost pyramid of Barramundas. The only fish king to be mummified. The pictures adorning the walls were unwashed naked women with exotic vaginal adornments - that of the 99 cent tin of Tuna. As the explorers searched further up the walls they noticed that some of the unwashed women were having a snack on the said vaginal adornment, encasing it in 2 slices of bread.....
Girl one - I'm really hungry
Girl two - Me too
Girl one - I have a tuna sandwich
Girl two - Me too
Girl one - Wanna bite of mine?
Girl two - Only if you can take a bite of mine too
Girl one - Mmm love that tangy mayo
Girl two - what mayo?
by Milo43 September 13, 2010
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OH! Look who wants a tuna sandwich now!

Sylar didn't want a tuna sandwich.

Sylar ate a tuna sandwich.
by Tom Argio March 29, 2008
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When a womans pussy smell like fish then you put mayonnaise on your dick and fuck
Sorry johnny I have to tuna sandwich my girl tonight
by Hello03030 October 15, 2019
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Highly sought after by certain ladies, this delicacy is another term for the spitroast, where two gentlemen entertain one lady at the same time. Usually orally and vaginally, but other configurations are possible. The lady is obviously the "Tuna" in the aforementioned sandwich.
"My twin brother rang me and told me that his new girlfriend was hot for a threesome, but I wasn't sure until she came on the line and insisted on it. So I ended up serving up a hot tuna sandwich that afternoon."
by Gordon September 16, 2003
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Slang for having a wank
An example of making tuna sandwiches is :
OMG dude I just made tuna sandwiches and now my hands stink
by Stu89 February 12, 2007
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The act of two males having sex with one female who is menstrating, one of the two males is gay or bi therfore the bi male is in the ass "so he can imagine a guy or a girl" and the straight male is in the vagina. from five to ten feet away it appears to be a filthy Tuna sandwich.
last night me and my gay friend had sex with a girl on the rag. my sister walked in and said who's red tuna sandwich is that on your bed.
by muckmasterflex May 3, 2007
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V. The female equivalent of "tea bagging". Used largely in video gaming by female users, although can be used in real life. To physically squat on an opponent/enemy/nemesis' face in order to add insult to injury.
Can be done by a male, rarely, if he has a mangina.
Jesus. You should have seen her. She just flipped out, pinned me down and dropped the tuna sandwich. Joke was on her though, because I whipped out the mangina.

Dont make me drop the tuna sandwich.
by Bananamamma July 4, 2011
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