What is Liquor Pig?
1.
A person who drinks constantly, heartily and indiscriminatly; a pig for liquor.
"Don's coming over again, so I'd better hide the good stuff. Otherwise, that liquor pig will clear me out."
2.
A woman who is a fat ugly slut that drinks excessively.
I would rather insert a small glass tube into my urethra and smash my dick with a tack hammer, than talk to that liquor pig over there