O button (blood type) Emoji

Literally, 🅾️ represents the O blood type, one of the main human blood groups, but figuratively it is often used to signify zero or nothing, and in slang, it can represent a null or void concept, such as a lack of something or a failed attempt, with some users also employing it as a symbol for a zero score or rating, or to convey a sense of emptiness or absence. In medical and scientific contexts, the emoji retains its literal meaning, while in casual online communication, its figurative uses are more prevalent. The versatility of 🅾️ allows it to be used in various contexts, from healthcare to social media.

To use the O button (blood type) emoji, tap the Copy button above, then paste it (long-press then Paste on mobile, or Ctrl+V / Cmd+V on desktop) anywhere you can type: messages, captions, usernames, bios and documents. It copies the real Unicode character (U+1F17E U+FE0F), so it works on every app and platform, no download needed.