Complex sentence: Tom and Linda loathe Suze for standing in their way of Jez, Linda especially, and often shower her with an array of vicious insults, most of which fly straight over her oblivious head.
Split into simpler sentences: Tom and Linda loathe Suze for standing in the way of their pursuit of Jez. Linda, especially, showers her with vicious insults, most of which fly straight over her oblivious head.