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.
another version of 'hold your horses'.
"come on"
"hold your lobsters!"
See lobster, horse, hurry, move,..
1.
A guy being the Ulitmate pussy.
He's won't talk to that girl over there...it looks like he has a case of Vagimicosis.
He won..
1.
A type of red swelling of the anus, as a result of over-use of anal insertions (through sexual intercourse, or foreign objects of increa..