FILTHY DIGS is a term used to describe a place that is extremely dirty and unkempt. The two crossword solutions for this term are STY and PIGSTY. STY is a three letter word that refers to a small enclosure for pigs or other animals, while PIGSTY is a six letter word that is used to describe a pigpen that is in a state of extreme filth and disrepair. Both words can be used to describe a place that is extremely dirty and unhygienic.