hate-hard-on

1. Noun - A person who gets off on having an extreme hatred or blind hatred of a person, place, or thing. They tend to hate on something with a fiery passion and excitement that one would see in the passion associated with sexual arousal, or the euphoric feeling associated with sex.

"She's got such a hate-hard-on for Sam! All she ever does is complain about how he talks in class. We all know she does it because she gets a kick out of doing it!"