The "No One Under Eighteen" emoji is the internet’s classic adults-only badge, the same energy as a bouncer’s crossed arms and a velvet rope. People drop it before spicy jokes, NSFW links, late-night livestreams, or just to gatekeep a "grown folks" convo with playful menace. It also works ironically—slapping it on a totally tame meme, a tax thread, or a broccoli recipe to make the most harmless content feel scandalous. Emotionally, it reads like a firm boundary: not for kiddos, proceed at your own risk, don’t say we didn’t warn you.
On Apple/iOS, it looks like a clean road sign: a bold black "18" centered on a white circle, ringed by thick red, sliced by a diagonal red bar from top-left to bottom-right—flat, head-on, high-contrast, impossible to miss. You’ll see it paired with locks, warning triangles, or the crescent moon for "after dark" vibes, and it shows up in captions when creators age-gate content or wink at edgy humor. Culturally, it evokes rating stickers on games and movies, nightclub ID checks, and that eternal pop-up asking "Are you over 18?" that everyone definitely reads. Use it to set the tone, dodge the algorithm with a cheeky hint, or jokingly tell the timeline: not today, junior.
Definition
An icon with the number 18 with a red strike through on it. Must be over 18 to gain admittance.
Disqus Leave a comment!
Emoji History The emoji code/ image log of changes.
This emoji was part of the proprietary / non-standardized emoji set first introduced by Japanese carriers like Softbank. These emojis became part of the Apple iPhone starting in iOS 2.2 as an unlockable feature on handsets sold in English speaking countries.
In iOS 5 / OSX 10.7, the underlying code that the Apple OS generates for this emoji was changed.
Emoji General Information
Twitter Emoji Popularity (Rank)
822 of 2393
Apple/iOS Picture
Google Android Picture
Google Hangouts Picture
Twitter.com Picture
LG Emoji Picture
Samsung Emoji Picture
Phantom Open Emoji Picture
ASCII Conversion
"Short Code" Name
:underage:
Keywords
Previous Names:
No One Under Eighteen Symbol
No One Under 18 Allowed
Unicode Category Information
Unicode Category
Miscellaneous Symbols and Pictographs
Unicode Range
1F300–1F5FF
Unicode Subcategory
Enclosed Alphanumeric Symbols
Proposed Unicode Information & Notes
Unicode Category
Activities/work/entertainment
Unicode Subcategory
Enclosed Alphanumeric Symbols
Names & Annotations
NO ONE UNDER EIGHTEEN SYMBOL Temporary Notes: under 18 not permitted
Symbol Information
U+1F51E proposed
Proposal Identifier
e-B25
Character Mapping/Crosswalk Notes
DoCoMo
[18禁]
KDDI
#380 18禁 U+EA83 SJIS-F356 JIS-7937
Softbank
#456 #old187 １８禁 U+E207 SJIS-F7A7
Emoji Character Encoding Data
Emoji Code Version
iOS 4 Code
UTF-8 Unicode Character(s)
UTF-8 Character Count
1
Character(s) In Input
AppleColorEmoji Font (available in OSX/iOS)
Decimal HTML Entity

Hexadecimal HTML Entity

Hex Code Point(s)
e207
Formal Unicode Notation
U+E207
Decimal Code Point(s)
57863
UTF-8 Hex (C Syntax)
0xEE 0x88 0x87
UTF-8 Hex Bytes
EE 88 87
UTF-8 Octal Bytes
356 210 207
UTF-16 Hex (C Syntax)
0xE207
UTF-16 Hex
e207
UTF-16 Dec
57863
UTF-32 Hex (C Syntax)
0x0000E207
UTF-32 Hex
E207
UTF-32 Dec
57863
Python Src
u"\uE207"
PHP Src
"\xee\x88\x87"
C/C++/Java Src
"\uE207"
Emoji Code Version
iOS 5 - Current
UTF-8 Unicode Character(s)
🔞
UTF-8 Character Count
1
Character(s) In Input
AppleColorEmoji Font (available in OSX/iOS)
🔞
Decimal HTML Entity
🔞
Hexadecimal HTML Entity
🔞
Hex Code Point(s)
1f51e
Formal Unicode Notation
U+1F51E
Decimal Code Point(s)
128286
UTF-8 Hex (C Syntax)
0xF0 0x9F 0x94 0x9E
UTF-8 Hex Bytes
F0 9F 94 9E
UTF-8 Octal Bytes
360 237 224 236
UTF-16 Hex (C Syntax)
0xD83D 0xDD1E
UTF-16 Hex
d83ddd1e
UTF-16 Dec
55357 56606
UTF-32 Hex (C Syntax)
0x0001F51E
UTF-32 Hex
01F51E
UTF-32 Dec
128286
Python Src
u"\U0001F51E"
PHP Src
"\xf0\x9f\x94\x9e"
C/C++/Java Src
"\uD83D\uDD1E"
Emoji Character Encoding Data (equivalent or similiar)
