An occurance that happens when you are giving somebody anal
and you pull out too fast, causing the suction to unload
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??"