π shows the number 18 inside a red prohibition circle. It marks content or places restricted to adults, meaning no one under eighteen. Online it is widely used to flag explicit, sexual or mature content, and jokingly to say a conversation is getting inappropriate.

U+1F51E
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Don't open that link at work π
Okay this conversation just turned π lol
| Name | no one under eighteen |
|---|---|
| Codepoints | U+1F51E |
| Category | Symbols |
| Keywords | 18, age, eighteen, forbidden, no, not, one, prohibited, restriction, underage |
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π shows the number 18 inside a red prohibition circle. It marks content or places restricted to adults, meaning no one under eighteen. Online it is widely used to flag explicit, sexual or mature content, and jokingly to say a conversation is getting inappropriate.
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