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.
A fake bar name given to a drunken male idiot by a girl who he won't leave alone. Often used as an IQ test.
Idiot: Hey baby, what..
1.
Slang word used in the IRC: it describes an arrogant person who can be extremely childish.
Stop acting like a zophmistar!
See arrogant..