Sentence:  Ruth had snapped open her purse and pulled out a small gun. I grabbed her arm and yanked her into the car; she squawked and her shot went wide. [...] "You <WSD>scut</WSD>," she said as we hit the entrance ramp of the interstate. "You're a scut-pumping Conservative. You made me miss." 
Meaning of the word marked with <WSD> tags:  A contemptible person.