The "Σd(๑ゝᗜ╹)" emote or "I really did it" emote is a Japanese emoticon that represents a feeling of accomplishment or surprise. It consists of the characters Σ (sigma), d, and a face with wide eyes and an open mouth, which convey a sense of shock or excitement. The emoticon is often used in online conversations to express a sense of achievement or to celebrate a successful outcome.