fils-putain 

Pronounced "fit-putain" (roughly)

Literally "son of a whore," closer to "son of a bitch" in Cajun French. Means what you'd expect it to mean.

"Look, you little fils-putain, you keyed my car and your ass is mine!"

fils-putain by Cajun Scientist March 5, 2010

maudit fils d'un putain 

French for "damn son of a whore". Used to denote heavy disdain for someone.

Jean a volé mon liqueur! Je déteste cette maudit fils d'un putain!
Translation: John stole my booze! I hate that damn son of a whore!

maudit fils d'un putain by serialEmbracist October 11, 2016