Is adult content allowed on Tumblr? Adult content is not allowed on Tumblr, regardless of how old you are. You can read more about what kinds of content are not allowed on Tumblr in our Community Guidelines. If you spot a post that you don’t think belongs on Tumblr, period, you can report it: click or tap the meatballs icon (the three dots) and choose a reporting option from there. What is "adult
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