Definitions by Captain Care Bear

MSS 

Multiple Semenation Syndrome. To semenate multiple times when ejaculating.

1: Wow that felt like you were firing a machine gun in my vagina.
2: Nope that was my penis. I have MSS.
1:Good. Because if that was a machine gun you would have ripped shit up.

MSS by Captain Care Bear January 1, 2012