Σ (゚Д゚; Alert Sweating All meanings The Σ (゚Д゚;emote or Alert Sweating emote is a Japanese emoticon used to express shock, surprise, confusion, or nervousness. It typically features a wide-eyed face with sweat drops on the forehead, conveying a sense of anxiety or discomfort. ▲ 0 ▼ 0 More meanings →