Σ( ̄口 ̄; Yelling A Notice All examples Click to copy The "Σ( ̄口 ̄;" emote is often used to express shock, surprise, or disbelief. It can be used in situations where something unexpected happens or when someone says something shocking or unbelievable.Shock: "I can't believe I just won the lottery!" Σ( ̄口 ̄;Surprise: "Oh my gosh, you got me a puppy for my birthday?!" Σ( ̄口 ̄;Disbelief: "You're telling me that you've never heard of Beyoncé before?" Σ( ̄口 ̄; More examples →