fescennine
adjective
fes·cen·nine ˈfe-sə-ˌnīn 
-ˌnēn
: scurrilous, obscene
Word History
Etymology
Latin fescennini (versus), ribald songs sung at rustic weddings, probably from Fescinninus of Fescennium, from Fescennium, town in Etruria
First Known Use
1601, in the meaning defined above