Sentence:  The more <WSD>loaded</WSD> phrase is the middle one, "she slit his gullet," since it captures a sense of crudeness and suddenness that the other two do not. 
Meaning of the word marked with <WSD> tags:  Having strong connotations that colour the literal meaning and are likely to provoke an emotional response. Sometimes used loosely to describe a word that simply has many different meanings.