An IMP is what a brother of Phi Eta Psi Fratenity, inc. is recognized as. Often the brothers of Phi Eta Psi Fraternity are also recognized as the IMPerial men of Finesse, or the Iota Mu Pi's of Phi Eta Psi fraternity.
I would like to pledge Phi Eta Psi Fraternity, but I'm scared, because the IMPs
pledge to hard!
Do you see that hard-lookin' guy over there, he's an IMP
from Phi Eta Psi Fraternity.
and the Emeralds of Phi Eta Psi Fraternity call themselves "The Family."