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.
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Random Words:
1.
It's the original way to say diddo, or me too to a phrase such as I love you or I miss you.
Erica: I miss you
Adam: Unawidutoo
S..
1.
Burger King. Used by comedian Dane Cook to impress girls by acting like he works for a hip club (the B.K. Lounge).
girl: where do you w..
