Definitions by ryo101

Hiroshima Surprise 

When performing a sexual act involving defecation, said defecator experiences extreme diarrhea resulting in an explosive surprise for the fecal recipient.

Bruce: Hey Lance, wanna try a glass bottom boat?!
Lance: No brah, last time we did that you gave me a Hiroshima surprise...

Hiroshima Surprise by ryo101 July 27, 2009