shitpost

American  

[shit-pohst] / ˈʃɪtˌpoʊst /

verb (used without object)

1. to post off-topic, false, or offensive contributions to an online forum with the intent to derail the discussion or provoke other participants.

   The moderator has banned the accounts that were shitposting about politics.

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noun

1. a contribution to an online forum that is off-topic, false, or offensive, with the intent to derail the discussion or provoke other participants.

Etymology

Origin of shitpost

First recorded in 1995–2000; shit ( def. ) + post ¹ ( def. )