Meaning of "Something big is coming"

Keun-Geo-On-Da

Something big is coming큰거온다#라이프스타일#SNS#덕질/팬덤#밈/유행어2010s Meme

This phrase is used to convey the sense that a major event—such as the appearance of a big-name guest or a major announcement—is about to happen, creating an atmosphere reminiscent of a major plot twist in a TV show or live broadcast, and emphasizes the anticipation and excitement that builds up just before it happens.

"Hold on! Once the countdown is over, something big is coming—I heard there’s a really major announcement today."