A person who is attracted to the remains left at the battlefield of a failed relationship. This undesirable person is drawn to any littlescrap they can get
Yeah, that trench rat Beth is already calling my ex.
Usually a male with a very high iq, but is restricted from using his intelligence by his severe autism and speech impediment. Paces around a lot and always looks uneasy or awkward.
"Wow mole rat dude is really doing my fucking head in today."