Female undergarments placed on a doorknob in a house, school, hospital etc., signifying that a male (or males) has successfully bedded the previous wearer of said undergarments.
Male 1: Did you see the victory panties hanging on the door of the men's bathroom in the gym lobby?
Male 2: Hell yeah! At least someone around here is getting laid.
Male 2: Hell yeah! At least someone around here is getting laid.
by jamsjoyce December 3, 2009