a guy who makes it his goal to be randomly mean to younger people. At parties, he will try to corrupt their innocence, and accuse them of stealing.
They are usually really skinny and drive dark silver sedans of japanese branding--but other sedans will do.
can be abbreviated to just STS.
Person 1: that guy is such a douche.
Person 2: what a Sal Trend Setta (or STS)