expression, godan verb (-ru)
to be moved; to feel a surge of emotion
Describes a welling up of strong feelings, often from a touching or inspiring experience. The chest feels warm or tight with emotion.
彼のスピーチを聞いて胸が熱くなった。
Listening to his speech, I felt a surge of emotion.
映画のラストシーンで胸が熱くなる
The final scene of the movie makes my heart swell with emotion.