Submarine is the fact of leaving a piece of shit in the bubble bath of another person
which will arise after a certain time just like a submarine.
And while waiting for the submarine to come up you absolutely must listen to the Beatle song about the submarine.
is when you butt fuck a lady and bust a nut inside her asshole pull out and wait for your cum to drip out all the way to the front of her pussy then lick from the front of her pussy all the way to her asshole tasty