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:
1.
when you do lacrosse and excersize all in one day
dude my friend and i did some lexcercosse today!
See Zoe..
1.
literally "Your mother". A derivation of yo mamma, used as a joke insult for any occasion. It doesn't have to make any se..
