21 (Animated)

Three white X symbols centered on a black background.
Free for your Discord server

What does the 21 emoji mean?

A classic symbol for adult content or just marking something as forbidden.

The triple-X symbol is a long-standing cultural shorthand for adult content, often used to denote explicit material or things that are strictly for mature audiences. In a Discord or Slack context, it is frequently used humorously to flag 'spicy' conversations, warn others about NSFW content, or sarcastically label something as 'too hot to handle'.

When to use it

  • - flagging explicit content in a chat channel
  • - warning friends about mature or spicy topics
  • - labeling a message as strictly for adults
  • - joking about something being too intense

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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 21 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 21 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 21 image.
  2. Go to Server Settings → Emotes in Guilded.
  3. Upload the file and give it a name.