Hater

[hey-ter] /ˈheɪ tər/

noun
1.
a person who has an intense dislike for another person or thing (often used in combination): I’m a big hater of opera.
Are you a dog-hater?
2.
Informal. a person who thrives on showing hate toward, criticizing, or belittling other people or things, usually unfairly:
The guy is just a hater, looking for a fight.
/ˈheɪtə/
noun
1.

2.
(informal, mainly US & Canadian) a grudging or spiteful person, esp one who disparages others: Don’t let the haters get you down
n.

late 14c., “one who hates, an enemy,” agent noun from hate (v.).

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Hate-read
[heyt-reed] /ˈheɪtˌrid/ Informal. verb (used with object), hate-read [heyt-red] /ˈheɪtˌrɛd/ (Show IPA), hate-reading. 1. to read (a blog, newspaper, etc.) that one professes to dislike, often with the intention to mock or criticize. verb (used without object), hate-read [heyt-red] /ˈheɪtˌrɛd/ (Show IPA), hate-reading. 2. to engage in this activity. noun 3. a blog, newspaper, etc., […]
Hate-sheet
noun 1. a newspaper or other publication that consistently expresses biased hatred toward some national, racial, religious, or other group.
Hate-speech
noun 1. speech that attacks, threatens, or insults a person or group on the basis of national origin, ethnicity, color, religion, gender, gender identity, sexual orientation, or disability. noun 1. speech disparaging a racial, sexual, or ethnic group or a member of such a group

Hate-watch
[heyt-woch] /ˈheɪtˌwɒtʃ/ Informal. verb (used with object) 1. to watch (a TV show, movie, video, actor, etc.) that one professes to dislike, often with the intention to mock or criticize. verb (used without object) 2. to engage in this activity. noun 3. a show, movie, etc., that one hate-watches: What’s your hate-watch these days? 4. […]
Hatfield-McCoy Feud
[hat-feeld-muh-koi] /ˈhætˌfild məˈkɔɪ/ noun, U.S. History. 1. a blood feud between two mountain clans on the West Virginia–Kentucky border, the Hatfields of West Virginia and the McCoys of Kentucky, that grew out of their being on opposite sides during the Civil War and was especially violent during 1880–90.