A person who has a bunch of friends, usually popular. A lot of them are nice but most can be complete bitches.
Most are athlectic and suck up to teachers to get better grades. In gym the make the non-athletes run for everything.
They talk about people behind their backs and then deny once they are caught.
They also spread rumors like wild fire.
Popular child when girl is around: Oh, hi. You're so nice and such a good friend
Popular child when girl leaves: Shes so mean. What a fat bitch.