Someone who thinks they rule the world at their school but then grow up and realize the REAL world doesn't care if your daddy has lots of money and your mom blew the principal to keep your grades up....
snotty, usually well off brats that end up living in their parents basement when they drop out of college.
oh yeah...ha ha.
Ex. "wow, Emily used to be popular. Now she's just a pathetic slut with 3 kids"