A very hairy and cheesy vagina, with a deep camel toe, resembling a large trench rat from world war 1
I was about to have a good time with Judy last night but then saw her trench rat and puked in my mouth.
A trench rat is another name for a free meal.
We hadn't seen rations for days, until I saw a trench rat...
A person who is attracted to the remains left at the battlefield of a failed relationship. This undesirable person is drawn to any little scrap they can get
Yeah, that trench rat Beth is already calling my ex.