PIGPEN Meaning of PIGPEN in English pig ‧ pen /ˈpɪɡpen/ BrE AmE noun [countable] American English 1 . a building where pigs are kept SYN pigsty2 . informal a very dirty or untidy place SYN pigsty Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012