Sentence:  “You're an <WSD>arse</WSD>,” Ellen said. &para; “Please? You must like something about me ...?” &para; “I do. You're an <WSD>arse</WSD>. I just told you that. I feel comfy with you, because you're such an <WSD>arse</WSD>.” 
Meaning of the word marked with <WSD> tags:  A stupid, mean or despicable person.