What is S.i.s.?
1.
An acronym for Sudden Insanity Syndrome
Joan Crawford had a lot of experience with S.I.S. moments.
See
2.
Self-inflicted stupidity. An injury that you caused to yourself by an act of stupidity.
Friend 1: How did you get that cut?
Friend 2: I was running with scissors down the stairs and my shoes were untied.
Freidn 1: Thats some serious S.I.S.
See
Random Words:
1.
When you are minding your own buisness and get attacked by Jehovah's Wittneses that seemingly appear out of nowhere
I was leaving ..
1.
The act of rubbing ones penis on the top lip of a sexual partner after engaging in anal intercourse.
After I got him up the ass, I gave..