18 NSFW

Number eighteen with a plus sign inside a circle.
1 favorite · Free for your Discord server

What does the 18 emoji mean?

A bold warning sign for when things get a little too intense.

This icon features the number eighteen accompanied by a plus sign, commonly used to indicate age restrictions or mature content. In Discord and online communities, it serves as a quick visual shorthand to signal that a conversation, channel, or link is intended for adult audiences only. It is frequently used by moderators to enforce server rules or by users to warn others before sharing mature media.

When to use it

  • Marking channels restricted to adult users only
  • Warning friends about mature content in chat
  • Enforcing age verification rules on a server
  • Signaling that a link contains explicit material

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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 18 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 18 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 18 image.
  2. Go to Server Settings → Emotes in Guilded.
  3. Upload the file and give it a name.