A disgusting, wretched, soulless human being with no morals and/or standards. Based on the wild hogs that would eat the remains of dead bodies in the trenches during war times. Modern day trench pigs are known to have sex with the last girl standing at the bar, also known as "pub scraps". Trench pigs are rarely known to have consensual sex. If you see one, don't ask questions, just escape in any direction.
Girl, I think that trench pig is asking me for my number in between snorts
The girls were having an innocent fun birthday night at the bar until they were surrounded by a circle of relentless trench pigs
The trench pig didn't actually say any words. He just stared at her until she knew she had to leave the establishment