to have your heart in your mouth
to feel extremely scared or anxious · to feel a strong sense of suspense or excitement
What's the situation?
Imagine you're watching a super intense thriller movie 😱, or waiting for important test results. That feeling when your heart is pounding so hard it feels like it might jump right out of your chest! 😬 This expression perfectly captures that moment of extreme fear, anxiety, or even thrilling suspense.