Sentence:  “He's a <WSD>rat-fuck</WSD>... just like this <WSD>rat-fuck</WSD> bitch!” Primo kicked Juliette hard in the ribs. “When he wakes up I want him followed to whatever sewer he crawled out of!” Primo slobbered commands. “I want his <WSD>rat-fuck</WSD> Papa and his <WSD>rat-fuck</WSD> Maman... and any other <WSD>rat-fuck</WSD> he knows put to fucking death!” 
Meaning of the word marked with <WSD> tags:  A despicable person