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1 definition by Omnipotence

 
1.
SIV
Sand In Vagina, when a person is pissed off for no good reason. often used to further agitate the person>
"You goddamn assholes!"
"sounds like someone has a little case of SIV"
"Fuck off i'm pissed of for a damn good reason!"
by Omnipotence October 26, 2004