To be used when in online discussion and another party (whom you do not want to see anything suspicious being sent from the partner(s) you are having the conversation with)
Useful when the parent walks in and then there is no need for suspicious minimizing on the computer screen.
Tiff: Timmyyy, how you feeling?
Tim: Oh baby, i'm in the mood ;)
---Tiff's father walks in---
Tiff:Wait, SOS
Tim:Ok, so, about the sciencehomework due tomorrow....
it's commenly used by people in los angeles who populate sunset blvd, or the "sunset strip," a street which is accompanied by many fine women and/or sluts on thursday, friday and saturday nights.
"hey, there's nothing really to do tonight but to go see SOS. maybe we can hit up dublins or argyl while we're at it, or even the body shop"