To surprise a girl who's giving you head by peeing. Extra points if she's deep throating you.
I timed my Des Moines Surprise so well that she will never speak to me again, though she went away well hydrated.
by Superscope March 01, 2008
Can you define these popular missing words?
When reciving a blumpie, after delivering the topeka destroyer, blumpee puts a finger in the ass of blumper(thus completing the hat trick where blumper has a mouthfull of cock, a nosefull of shit, a back covered in vomit and a assfull of thumb).
I believe that I am ready for the German Porn Olympics because I have pulled off a Des Moines Surprise,
by decay 66 April 09, 2003