when you take a long shit but half of it goes down the pipe of the toilet so you cant really see it anymore.
"i took a shit it was a submarine though so i didnt save it."
by the kid is noiceee June 7, 2007
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having a penis long enough, so when you go to the bathroom, your penis is submerged in the water, thus making a submarine type effect.
by Joseph E November 18, 2004
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A motorboat that comes unexpectedly.
"Ya she had some amazing tits. I definitely submarined them."
by SarahRichmond October 13, 2009
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n. A derivative of the "motorboat" in which one places one's lips and cheeks against the vagina, then shakes the head from side to side, keeping the lips slack, so as to produce a "bu-bb-br-br-bb-bur-bu-ber" sound.

(See also: motorboat)
She said she'd seen and done it all, and nothing I did could surprise her -- but then I put on my best Sean Connery and gave her the submarine.
by MSOEnunciate September 21, 2009
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The player lays on their back in the bathtub and attempts to make only the tip of their dick peek out of the water like the periscope of a submarine.
Mai: You sure took your time. Were you thinking about me or something?...

Sakuta: Actually, I was just engrossed in playing the submarine game
by karabu_ February 20, 2019
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When someone makes a comment and someone else repeats it soon after, claiming it as their own. Often, but not always, trying to one up the original idea.
Emmet - We could build a submarine!
*short delay*
Batman - We could build a Bat submarine
by Spankie, EarlyDays January 27, 2015
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