Usually in reference to homosexual men, a female a guy will be associated with, or even pretend to be dating, in order to create the illusion that said homosexual is straight.
Keiron was in a town where he would get his ass beat in a way he didn't like, so he brought his moustache susan around with him everywhere
also referred to as smearing. gathering up a finger or two full of that nasty greeze that forms between the upper inner thigh and scrotum, after a day or two (or more) of not showering, and then wiping or rubbing the finger(s) across the victim's upper lip area, directly under their nose, so as to cause them to have to smell the foul substance.