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.
See
Random Words:
1.
a slang term for CB radio. Called chicken band because it is a frequency range where everyone from people that are just plain stupid to ..
1.
Butt-fucker, bum-shagger, partaker in brown love. Generally homosexual.
Shut your face you poo-stabber!..