Glossary entry (derived from question below)
German term or phrase:
Hetzpost
English translation:
hate post, hate speech
German term
United States
Providing Nordic language solutions
Native in: English (Variant: US) 
Works in: German to English, Swedish to English, Dutch to English, and 5 more.
Hetzpost
It's some kind of "post" on Facebook
zu viel werbung, Hetzpost's und Falschmeldungen
(Too much advertising, 'Hetzposts' and false reports)
Dec 14, 2017 17:26: Steffen Walter changed "Level" from "Non-PRO" to "PRO"
Dec 14, 2017 17:26: Steffen Walter changed "Field (write-in)" from "Hetzpost" to "(none)"
PRO (3): Armorel Young, Erik Freitag, Steffen Walter
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Proposed translations
hate post, hate speech
... too much advertising, hate speech and fake news
From German hetzen, so a Hetzpost is a post in dem gehetzt wird, a post which attacks someone, which stirs up hatred or incites violence or prejudice against someone (or against a certain group of people).
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Note added at 17 hrs (2017-12-14 10:41:22 GMT)
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inflammatory comments would be another option but I'd stick with hate speech which (along with fake news) is one of the current buzzwords
| agree |
philgoddard
: http://dictionary.reverso.net/german-english/hetzen
5 mins
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| agree |
Anne Schulz
1 hr
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| agree |
franglish
2 hrs
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| agree |
Axel Dittmer
3 hrs
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| agree |
AllegroTrans
3 hrs
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| agree |
Ramey Rieger (X)
13 hrs
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| agree |
Harald 4711
18 hrs
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| agree |
Teangacha (X)
: 'hate speech' https://newsroom.fb.com/news/2017/06/hard-questions-hate-spe...
18 hrs
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| agree |
Steffen Walter
23 hrs
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| agree |
Kristina Cosumano (X)
: Hate speech and Facebook have been in German news on and off for a few years.
1 day 16 mins
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| agree |
writeaway
: but don't agree that this is a pro question
2 days 4 hrs
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Then click the 'Vote non-pro' button!
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United States
Creativity wins in the long run
Native in: German (Variant: Germany) 
, English (Variant: US)
Works in: German to English
Incendiary postings
United Kingdom
Experienced in the travel industry
Native in: English (Variants: British, US)
Works in: German to English
malicious post
United States
Always on Target - Always on Time
Native in: German , English
Works in: German to English
trolling
I'm closing my Facebook account, because I just can't stand the trolling about Obama anymore.
more common term hatemail
Hetze und Hass
hetzen is making somebodie's life a misery, rather than just harbouring hate quietly to yourself
Discussion
https://en.wikipedia.org/wiki/Flaming_(Internet)