"(≡ε≡；)" is a kaomoji, also known as a Japanese emoticon or emoji, that represents a range of emotions including surprise, sadness, and depression. It is often used to convey a sense of confusion or being taken aback by something unexpected. The combination of characters in this emoticon creates a visual representation of a distressed or surprised face. It falls under the category of smileys and is commonly used in online communication to express various feelings or reactions.