1) Impurity 2) Obscene 
marked by the use of vulgarity or obscene language
Fes'cen·nine adjective [ Latin Fescenninus , from Fescennia , a city of Etruria.] Pertaining to, or resembling, the Fescennines. -- noun A style of low, scurrilous, obscene poetry originating in fescennia.