COOL Button Emoji

The COOL button (🆒) is a squared word stamp that says exactly what it means: cool. It's the approval badge, the casual thumbs-up alternative, and one of six squared-word emojis (🆒🆓🆕🆖🆗🆙) that originated from Japanese feature phone interfaces in the late 1990s. These emojis were designed as visual shorthand for common reactions — quick labels you could slap on a message the way you'd stamp a document. 🆒 carries retro energy now. Using it unironically feels like approving something with a rubber stamp from 1997, which is exactly why it works in ironic contexts too. "Your new haircut? 🆒" lands differently than "Your new haircut? Cool" — the squared format adds a layer of deadpan formality to an inherently casual word. It's approval wrapped in a box, which makes it either more sincere or more sarcastic depending on delivery.

🆒 has two modes. First: unironic approval. Older emoji users and casual texters use 🆒 as a sincere positive reaction — the visual equivalent of saying "cool" out loud. Second: ironic detachment. Younger users deploy 🆒 for its retro stamp aesthetic — the boxed format feels deliberately outdated, giving it a deadpan quality. In meme culture, 🆒 often appears in "cool story bro" contexts or passive-aggressive approval. Among the squared-word family, 🆒 is mid-range in search volume — "cool emoji" (8-11) is stable but low, beaten by "up emoji" (46-53) and "new emoji" (19-36). People looking for a "cool" reaction typically reach for 😎 instead.

• •🆒 originated from Japanese feature phone emoji sets in the late 1990s. SoftBank, KDDI, and NTT DoCoMo each had their own incompatible versions — a 🆒 sent from SoftBank might appear as a blank square on a DoCoMo phone.
• •The squared-word format (🆒🆓🆕🆖🆗🆙) was designed for Japanese flip phones where screen space was tiny. A boxed word label conveyed meaning faster than a full sentence.
• •"Cool" as slang dates to 1930s African-American jazz culture. Charlie Parker and Miles Davis made "cool" the defining word of a musical genre (cool jazz). 🆒 puts that word in a box — literally.