(As per my intoxication, an upper decker is my ability to write this while in the act (I'm currently the upper deck).)
"Dude, how come?"
"Man, someone dropped an upper decker in the toilet, and the water splashed my ass and sack."
"Dude, that sucks."
"Man, I think I got a piece of corn stuck to my sack!"
Guy 2:Hahahah, what'd she do when she came out?
Guy 1:I don't know, she's still in there!