The "(=ⓧܫⓧ=)∫" emote or "other dead cat" emote is a text-based representation of a cat with X's for eyes and a curved line representing its body. It is often used in online communication to express sadness, sympathy, or a sense of loss. The emote gained popularity on imageboards and forums in the early 2000s and has since become a widely recognized symbol of internet culture.