What is S.i.s.?
1.
An acronym for Sudden Insanity Syndrome
Joan Crawford had a lot of experience with S.I.S. moments.
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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:
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1) The theory that when you get drunk and do something, you won't remember it when your sober, but when you get hammered again you ..
1.
To check yourself before bathing to make sure all of your clothes are off.
Man, I forgot to do a naked check before I got in the shower..