18plus NSFW

The number 18 followed by a plus sign inside a solid black circle.
Free for your Discord server

What does the 18plus emoji mean?

The universal sign for keeping things strictly for the grown-ups.

This classic 18+ warning symbol is a staple in online communities for flagging mature content, NSFW channels, or edgy jokes. It serves as a quick, recognizable indicator that the conversation or shared media is intended for an adult audience only. It is frequently used in Discord servers to enforce age-gating or to jokingly warn others before posting something questionable.

When to use it

  • Marking channels restricted to adult users only
  • Warning friends before sharing mature content
  • Jokingly flagging an edgy or risqué comment
  • Setting boundaries for mature server discussions

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How to add this emoji

Add to Discord
  1. Click Add to my server above and pick a Discord server you manage (CommunityOne must be installed).
  2. Or download the file: open Discord → Server Settings → Emoji → Upload Emoji.
  3. Give it a name and save. You need Manage Server (or Create Expressions) permission.
Add to Slack
  1. Download the 18plus image.
  2. Open the Slack emoji picker and click Add Emoji.
  3. Upload the file, name it, and save.
Add to Revolt/Stoat
  1. Download the 18plus image.
  2. Open Server Settings → Emojis in Revolt or Stoat.
  3. Upload the file and name your new emoji.
Add to Guilded
  1. Download the 18plus image.
  2. Go to Server Settings → Emotes in Guilded.
  3. Upload the file and give it a name.