Idiom

텐션 높다

tension nopda

To be in high energy/excited mode (borrowed from English 'tension' but means something different)

활기차고 신난 상태를 뜻함(영어 tension에서 왔지만 뜻이 다름)

오늘 완전 텐션 높아서 계속 웃었어.

I was in such high energy today, I kept laughing.