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.
The act of ejaculation, following oral sex, see rubber gasket, hand jobs, or any type of sex.
-"Man, I guess it's been a whi..
1.
the most amazing last name in the whole world.
What's your last name?
von Spiegel.
What? Thats the most amazing kick ass last na..