Top Definition
An occurance that happens when you are giving somebody anal and you pull out too fast, causing the suction to unload their shit and your jizz all over you.

(Significance: Toilets in a submarine have to be properly flushed, or else it will overflow or spray the contents everywhere)
Bob: "Dude, how'd it go last night?"
John: "It was good until the end..."
Bob: "Awwwww that's the most important part man!! What happened?"
John: "Well, after I finished, I got a submarine toilet"
Bob: "..... You're fucking retarded. I got you laid and this happens??"
by Black and White Saint January 26, 2011
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