AXO: Boring, un- to mildly attractive
Chi O: Drunk, fairly attractive
Tri Delt: Drunk blonde party sluts
DG: Who cares
Kappa: Classy, for some reason
KD: Nice girls, not afraid to party
Phi Mu: Weird girls
Pi Phi: Weed smoking party girls
Theta: Is Theta still around?
You said you wanted stereotypes, there you go. Like the others said though, just figure it out once you get here.