Curious variety of female that tend to travel in packs of three. They have a group hierarchy and tend to be more agressive then guys in the pursuit of sexual activity. There is also a dominant female that tends to be more agressive then the other two in the pack.
Similar to a group of slampigs.
"The party sluts are here, everyone is getting laid."
or
"Erin is a big partyslut"
A person that has many friends on Call Of Duty, that someone is always sending him an invite. Then jumps back in forth to the worst party to look good.