18 NSFW

The number eighteen followed by a minus sign in a bold red font with white sparkles on a black background.
Free for your Discord server

What does the 18 emoji mean?

The ultimate way to flag adult-only content or call out age-restricted vibes.

This emoji serves as a clear, bold indicator for content that is intended for mature audiences only. It is commonly used in Discord servers to mark NSFW channels, warn users about explicit discussions, or playfully gatekeep content that requires a certain level of maturity. The stark red design ensures it stands out in any chat feed.

When to use it

  • Marking channels containing mature or explicit content
  • Warning users about age-restricted discussion topics
  • Playfully gatekeeping content for mature members
  • Signaling that a conversation is strictly adult

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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.